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What is UNDERGROUND MINE VENTILATION? What does UNDERGROUND MINE VENTILATION mean?
 
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What is UNDERGROUND MINE VENTILATION? What does UNDERGROUND MINE VENTILATION mean? UNDERGROUND MINE VENTILATION meaning - UNDERGROUND MINE VENTILATION definition - UNDERGROUND MINE VENTILATION explanation. Source: Wikipedia.org article, adapted under https://creativecommons.org/licenses/by-sa/3.0/ license. Underground mine ventilation provides a flow of air to the underground workings of a mine of sufficient volume to dilute and remove dust and noxious gases (typically NOx, SO2, methane, CO2 and CO) and to regulate temperature. The source of these gases are equipment that runs on diesel engines, blasting with explosives, and the orebody itself. The largest component of the operating cost for mine ventilation is electricity to power the ventilation fans, which may account for one third of a typical underground mine's entire electrical power cost. Flow-through ventilation is the main ventilation circuit for the mine. Air enters the mine from surface via a shaft, ventilation raise or adit. The air is distributed through the mine via internal ventilation raises and ramps, and flows are controlled by regulators and permanently mounted ventilation fans. An auxiliary ventilation system takes air from the flow-through system and distributes it to the mine workings via temporarily mounted ventilation fans, venturies and disposable fabric or steel ducting. Auxiliary fan and duct systems may be either forcing systems, where fresh air is pushed into mine headings, or exhausting systems that draw out contaminated air. Sufficient volume of air is required for proper ventilation. A bulk of electric power is required for driving fans. By installing variable speed control air quantity can be optimized hence the power. at every place in the mine where persons are required to work or pass, the air does not contain less than 19% of oxygen or more than 0.5% of carbon dioxide or any noxious gas in quantity likely to affect the health of any person; the percentage of inflammable gas does not exceed 0.75% in the general body of the return air of any ventilating district and 1.25% in any place in the mine. The volume (expressed in cubic feet per minute or cubic meters per second) of air required to ventilate an underground mine is determined by mining engineers based on a wide variety of parameters. In most countries minimum requirements are outlined by law, regulation or standards. However, in some developing countries the mandated ventilation requirement may be insufficient, and the mining company may have to increase the ventilation flow, in particular where ventilation may be required to cool the ambient temperature in a deep hot mine, however auto-compression must also be taken into account. as per CMR 130-2-(i) in every ventilating district, not less than six cubic metres per minute of air per personemployed in the district on the largest shift or not less than 2.5 cubic metres per minute of air per daily tonne output whichever is larger, passes along the last ventilation connection in the district which means the inbye-most gallery in the district along which the air passes. In temperate climates ventilation air may need to be heated during winter months. This will make the working environment more hospitable for miners, and prevent freezing of workings, in particular water pipes. In Arctic mines where the mining horizon is above the permafrost heating may not take place to prevent melting the permafrost. "Cold mines" such as Raglan Mine and Nanisivik Mine are designed to operate below 0°C. the wet bulb temperature in any working place does not exceed 33.5°C and where the wet bulb temperature exceeds 30.5°C arrangements are made to ventilate the same with a current of air moving at a speed of not less than one metre per second.
Views: 6791 The Audiopedia
Underground Mine Ventilation - F.T.I. Pty Ltd
 
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This sample video contains extracts from the Underground Mine Ventilation Training Video produced by F.T.I. Pty Ltd. For further information about F.T.I. visit http://www.fti.net.au
mine tunnel support systems
 
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More Details : http://wwa.stonecrushersolution.org/solutions/solutions.html we will provide a professional answer and quality of services. If this video does not meet your needs I apologize here. Visit Website: http://www.gospellightbaptistschool.com Contact Us For Help: http://www.gospellightbaptistschool.com/chat.html UNISTRUT METAL FRAMING SYSTEM Sales Locations Unistrut Metal Channel Framing System Sales Locations Our Location: 1275 Hillsmith Rd. Cincinnati, Ohio 45215 Contact Us: DRB Systems , , Car Wash POS / Quick Lube POS (Point of Sale DRB Systems provides car wash POS (Point of Sale) and quick lube POS computer software for the Fast Lube, Car Wash and Car Care industries. We also provide car wash Request for Proposals (RFPs), ZMEia Department of Request for Proposals Travel Center; Newsroom; Info Center; Business Center; Systems; Business Center; Notice of Short Listed and Selected Firms; High Occupancy NATIONAL COOPERATIVE EDUCATION STATISTICS SYSTEM Foreword The Decision Support System Literacy Task Force of the National Forum on Education Statistics (Forum) is pleased to introduce the Forum Guide to Decision Underground Mine Geotechnics, Geotechnical Engineering, SRK The derivation of geotechnical mine design criteria is a fundamental aspect of the development and operation of underground mining projects. Answers, The Most Trusted Place for Answering Life's Questions Congratulations to the 2015 WAmmy Award winners (for questions and answers posted in 2014)! The WAmmy Awards are a fun way to recognize questions, answers Navistar’s MaxxPro: 1st Place in MRAP Orders 2,630 fire support systems kits, (M67854, 07, D, 5032) for procure field service representatives to provide support for the Mine Resistant Ambush Protected Room and pillar mines, mining techniques, underground Mine Layout. Room and Pillar mines are urbanized on a grid basis apart from where geological traits like faults need the habitual blueprint to be customized. design of tunnel support systems and study of tunnel support design of tunnel support systems and study of tunnel support systems of likhu iv hydroelectric projectdownload from 4shared Site investigations and convergence measurements for a twin tunnel. Convergence pins attached to the tunnel walls sustained some damage due to the working equipment in excavation techniques adopted and support systems used. The Atlantic The Atlantic covers news and analysis on politics, business, culture, technology, national, international and life on the official site of The Atlantic Magazine. TUNNEL Support Systems Prefabricated suppliers If you supply TUNNEL Support Systems Prefabricated then contact us today! There has never been a better time to promote your company and products with BPi. Airports, Cost effective structural design of support systems BMT specialises in wind climate and structural load analysis for airports, optimising occupant comfort and safety. Mine roof support systems and components, Patents.com Mine roof support systems and components Abstract. Mine roof support systems, components and method, for supporting, whether in active or passive mode, mine roof LIMITATIONS OF ROCK MASS CLASSIFICATION SYSTEMS FOR TUNNEL LIMITATIONS OF ROCK MASS CLASSIFICATION SYSTEMS . FOR TUNNEL SUPPORT DESIGNS . P. J. N. Pells . BSc (Eng), MSc, DSc (Eng), DIC . and . R Bertuzzi . BE, Msc(Eng) DESIGN OF TUNNEL SUPPORT SYSTEMS, Transport Research design of tunnel support systems. accession number this paper deals with the results of a recent evaluation of procedures for the design of tunnel liner systems; DESIGNING SHOTCRETE AS PRIMARY SUPPORT IN TUNNELS [Tunnel Tunnel Engineering, Primary Support Systems. Publication DESIGNING SHOTCRETE AS PRIMARY SUPPORT IN required in some common situations of mine Decision Support Systems, DSS (definition), Information Decision Support Systems (DSS) are a specific class of computerized information system that supports business and organizational decision, making activities. Displaying items by tag: Sweden http://www.georesources.net/index.php/global, news/abb, to, help, increase, productivity, at, lkab, s, malmberget, mine, in, sweden http://www.georesources.net/index.php/global Pipe Support Systems, EzyStrut EzyStrut supplies pipe support systems to suit general through to medium and heavy duty plumbing as well as HVAC, fire protection and mining applications. Steel tunnel support systems : the role of higher strength Steel tunnel support systems : the role of higher strength steels in mass transit tunnel linings. [Thomas L White; United States Steel Corporation.;] Joint
Views: 12 Qupo Amod
Team Rooftop Ventilation Animation
 
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This is the ventilation animation I did for the deliverable #2 video for the solar decathlon 2014 competition. Team Rooftop: We are an interdisciplinary Student Team, from the UdK Berlin and the TU Berlin, taking part in the Solardecathlon 2014 en France and currently working on the design and planning of our solar powered rooftop house. http://www.teamrooftop.de/desktop/
Views: 152 AllNameAreGone
Underground Hard Rock Mining, Landcruisers & Parts Online Auction
 
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For Sale Online Auction includes: Caterpillar AD45B x 2, AD55B x 2 trucks. Caterpillar R1300G x 2, R1700G SBR series x 2, R1700G 8XZ series loaders. Sandvik DD420 drill rig. Atlas Copco H104, H1257 and S7D drill rigs. $1M+ of new refurbished & 'as-is' spare parts to suit mining fleet. ~2 MVA ONAF 11/1 KV substation gas breaker as new condition. Remote operators stations on skid & in troop carrier. Starters & distribution boards 1000 volt x 45, 415 Volt x 35. 4 & 10 person refuge chambers x 7. Hand mining equipment including winches, hoes, hachines, air legs & more. Ventilation fans & UPVC duct sections x 40. Toyota Landcruiser HZJ79 V8 utilities running & wrecking options. Tyres & rims to suit mining equipment. Workshop tools & accessories, HDPE & steel pipe. Equipment located ex-Kambalda, Western Australia. For more information contact [email protected] or visit www.g-es.net
Views: 611 GESequipmentforsale
borehole mining
 
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This is an animated typical borehole mining schematic. More @ boreholemining.com
Alien: Isolation - Mission 12 - Synthetic Solution -
 
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Step off the transit to hear some communications between Amanda and Ricardo. Your objective will soon update to Find Samuels in Seegson Synthetics, and shortly after to Take the Elevator to Seegson Synthetics. From the transit you just stepped off of, turn to your left and go up the steps, passing under the Towerlink Transit System sign at the top and going through an unmarked door on your right. Head up the small set of steps, ignoring the elevator on your left and passing through another unmarked door in front of you. Board the nearby elevator and press the button to go To Seegson Synthetics. Step off the elevator to see a disturbing situation involving the dead thing behind the desk. While you're trying to absorb that sight, your objective will update to Climb the Elevator Shaft to the Upper Labs. Move behind the desk and access the Sevastolink terminal, browsing to the Personal folder and opening the file titled, Smythe Read This. It's here that you'll find that the four digit code for the nearby door is 8382. From where you got off the elevator, turn to your left and choose the option to Use Plasma Torch, then input the code 8382 to open the door. Hop into the vent and move through until you have to exit, then shimmy across a ladder only to have to climb another just to the left. This will lead you to a another ladder that you must shimmy across and a scripted event will end up with you in an elevator. Climb Up through the roof of the elevator and into yet another vent. Pass through this one to finally reach a room. It would seem that Ventilation / Ladder / Elevator Simulator is over... for a moment. Make your way through this room in the only way that you can and save your game when the opportunity presents itself. Go through the door to your left, then follow the hallway as it curves left, taking the first door on... you guessed it, your left. From here, approach the big door with the Apollo Secure Transit sign above it, updating your objective to Find a Way Through the Electrified Door. In order to get through the door, you're going to have to approach and Turn Off three different devices that are scattered throughout the area. The first is a few feet behind the Apollo Secure Transit door, and the other two are across the hall from this area, both in their own rooms. To find them easily, just look at the ground and follow the wires. They will lead you exactly where you need to go. When the third one is down, return to the Apollo Secure Transit door and Turn Off the final device. Head through the now open door and follow the corridor as it ramps up. When a door closes in front of you, hop into the nearby ventilation shaft and observe Samuels in action. Continue to follow the vents until your objective updates to Find Samuels, then exit into a small room. To leave the room, approach the door and select the Use Button option, then pass through and turn to your right. Loot the nearby desk and body for supplies, then access the Sevastolink terminal and browse to the Personal folder. Open the RE: Plans Tonight document and read up to learn that there is a lockdown button somewhere near the desk. From the Sevastolink terminal, move right to a nearby pillar where you can choose to Lift Lockdown. The big door at the far end of the room should now be unlocked, but as we expected, the Synthetics that lead up to it are more than just display models like the file suggested. For now, just sprint past them and through the door, then make your way behind the Sales Agreements desk and use the Access Rewire to set Gas Divert to Active. This should cause a major burst of flames to cover the Synthetic Showroom door that separates you from the Androids. Exit the Sales Agreement room and go straight, picking up the Molotov V.2 from the dead body near the small set of steps. Go into the nearby room and snatch up all the loot that you can, then craft as many Pipe Bombs, Medkits, Molotovs and EMP Mines your supplies will allow. When you're done, save your game, reload your Shotgun and Revolver, then head back to the Synthetic Showroom door.
Views: 6038 Ross Mahon
Suction Shot Blasting Machine By Synco Industries Limited, Rajasthan
 
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We "Synco Industries Limited", are one of the most reputed and acclaimed firms, engaged in manufacturing, supplying and exporting wide range of shot blasting machines, pollution control systems, metal spray guns, flame spray gun, ventilation systems, paint spray machines & various other industrial equipment. Please click here to view our range of products and services.
Views: 140 Business Video
Buca Della Vena Mine – Part 3: Just Keeps Getting Better
 
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That mysterious section of the mine that was made secure (at one time) with the barbed wire and the heavy gate was certainly unusual... I thought that perhaps explosives had been stored there, but it had a lot of differences from other abandoned mines where I have seen explosives stored before. And that section where the rock was carefully stacked up to seal off the drift, but still had ventilation pipes embedded in it? What was that about? I have never seen anything like that before or since. The significance of that didn’t fully register with me at the time because I was trying to figure out what the rest of that mysterious section was all about. I wish I had investigated it more thoroughly. So, perhaps needless to say, I remain quite curious about what could be blocked off back there, but still requires ventilation… As a viewer, it must be difficult to keep track of the haulage adits, drifts, winzes and tunnels running off in all directions. With this one, I have to work to keep it clear in MY head as I’m editing and I’m the one that shot the footage and explored the mine! I receive a lot of questions from viewers on how I avoid getting lost in such an environment and I’m not quite sure how to explain it, but I somehow keep a mental map in my head while I’m exploring that lets me stay oriented. Haha, and having said that, it would seem that I am almost guaranteeing that I get hopelessly lost in the next mine I visit by making such a remark. The abandoned mine gods have a good sense of humor… Then, of course, there is also adherence to the “right hand rule” to avoid getting lost, which is quite simple and effective (even though I did not strictly follow it in this abandoned mine). By the end of this video in the series (I haven’t finished editing all of the footage yet, but I believe there will be two more videos), you will have seen the real heart of the Buca della Vena Mine, which is that gigantic chamber – the one with the lone ore cart - filled with pillars that runs in hundreds of feet in all directions (including up). However, despite finally reaching the heart of the mine, there were still plenty of secrets and surprises to uncover still. And great mine exploring yet to be had on the remaining levels! ***** All of these videos are uploaded in HD, so adjust those settings to ramp up the quality! It really does make a difference. You can see the gear that I use for mine exploring here: https://bit.ly/2wqcBDD You can click here for my full playlist of abandoned mines: https://goo.gl/TEKq9L Thanks for watching! ***** Growing up in California’s “Gold Rush Country” made it easy to take all of the history around us for granted. However, abandoned mine sites have a lot working against them – nature, vandals, scrappers and various government agencies… The old prospectors and miners that used to roam our lonely mountains and toil away deep underground are disappearing quickly as well. These losses finally caught our attention and we felt compelled to make an effort to document as many of the ghost towns and abandoned mines that we could before that colorful niche of our history is gone forever. But, you know what? We enjoy doing it! This is exploring history firsthand – bushwhacking down steep canyons and over rough mountains, figuring out the techniques the miners used and the equipment they worked with, seeing the innovations they came up with, discovering lost mines that no one has been in for a century, wandering through ghost towns where the only sound is the wind... These journeys allow a feeling of connection to a time when the world was a very different place. And I’d love to think that in some small way we are paying tribute to those hardy miners that worked these mines before we were even born. So, yes, in short, we are adit addicts… I hope you’ll join us on these adventures! #ExploringAbandonedMines #MineExploring #AbandonedMines #UndergroundMineExploring
Views: 21773 TVR Exploring
VUMA 3D Software
 
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Introduction of the new software of mine ventilation.
The Hanford Story - Plutonium Finishing Plant
 
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Hanford produced nearly two-thirds of the nation's plutonium from the 1940s to the 1980s, and the Plutonium Finishing Plant was a key part of that mission. Today, the plant is Hanford's most hazardous facility and poses a monumental cleanup challenge to the Department of Energy and contractor CH2M HILL Plateau Remediation Company
Views: 237584 HanfordSite
Exploring The Workings Of The Scallywag Mine - Death Valley, California
 
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This video describes our exploration of the Scallywag Mine in Death Valley, California the way it was on 3-24-2019. The cross country out and back hike is 6.9 miles round trip, with an elevation gain of 1660 feet, and starts on Badwater Road a short way south of the Ashford Mill ruins. The fun and challenging hike goes up a large obvious canyon, and wash, to the remains of two aerial trams and other mine relics. There are a few dry falls in the wash that need to be climbed. The actual workings are high on a steep mountainside above the wash near the top of the trams. There are several adits and open stopes that make up the workings of this mine and many are difficult to access.
Views: 135 Tom Wigren
Recovery of Farmington #9: An Interview with Danny Kuhn
 
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Recovery of survivors and victims of the 1968 explosion and fire disaster at the Farmington #9 coal mine. This video contains an interview with recovery worker Danny Kuhn conducted by the National Institute for Occupational Safety and Health (NIOSH).
Views: 3548 Joseph A. Holmes
Ancient Roman architecture | Wikipedia audio article
 
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This is an audio version of the Wikipedia Article: Ancient Roman architecture Listening is a more natural way of learning, when compared to reading. Written language only began at around 3200 BC, but spoken language has existed long ago. Learning by listening is a great way to: - increases imagination and understanding - improves your listening skills - improves your own spoken accent - learn while on the move - reduce eye strain Now learn the vast amount of general knowledge available on Wikipedia through audio (audio article). You could even learn subconsciously by playing the audio while you are sleeping! If you are planning to listen a lot, you could try using a bone conduction headphone, or a standard speaker instead of an earphone. You can find other Wikipedia audio articles too at: https://www.youtube.com/channel/UCuKfABj2eGyjH3ntPxp4YeQ You can upload your own Wikipedia articles through: https://github.com/nodef/wikipedia-tts "The only true wisdom is in knowing you know nothing." - Socrates SUMMARY ======= Ancient Roman architecture adopted the external language of classical Greek architecture for the purposes of the ancient Romans, but differed from Greek buildings, becoming a new architectural style. The two styles are often considered one body of classical architecture. Roman architecture flourished in the Roman Republic and even more so under the Empire, when the great majority of surviving buildings were constructed. It used new materials, particularly concrete, and newer technologies such as the arch and the dome to make buildings that were typically strong and well-engineered. Large numbers remain in some form across the empire, sometimes complete and still in use. Roman Architecture covers the period from the establishment of the Roman Republic in 509 BC to about the 4th century AD, after which it becomes reclassified as Late Antique or Byzantine architecture. Almost no substantial examples survive from before about 100 BC, and most of the major survivals are from the later empire, after about 100 AD. Roman architectural style continued to influence building in the former empire for many centuries, and the style used in Western Europe beginning about 1000 is called Romanesque architecture to reflect this dependence on basic Roman forms. The Romans only began to achieve significant originality in architecture around the beginning of the Imperial period, after they had combined aspects of their original Etruscan architecture with others taken from Greece, including most elements of the style we now call classical architecture. They moved from trabeated construction mostly based on columns and lintels to one based on massive walls, punctuated by arches, and later domes, both of which greatly developed under the Romans. The classical orders now became largely decorative rather than structural, except in colonnades. Stylistic developments included the Tuscan and Composite orders; the first being a shortened, simplified variant on the Doric order and the Composite being a tall order with the floral decoration of the Corinthian and the scrolls of the Ionic. The period from roughly 40 BC to about 230 AD saw most of the greatest achievements, before the Crisis of the Third Century and later troubles reduced the wealth and organizing power of the central government. The Romans produced massive public buildings and works of civil engineering, and were responsible for significant developments in housing and public hygiene, for example their public and private baths and latrines, under-floor heating in the form of the hypocaust, mica glazing (examples in Ostia Antica), and piped hot and cold water (examples in Pompeii and Ostia).
Views: 20 wikipedia tts
Race to the Ziggurat | Critical Role RPG Show Episode 34
 
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Catch Critical Role live Thursdays at 7PM PT on Twitch: https://goo.gl/D9fsrS Listen to the Critical Role podcast: https://goo.gl/jVwPBr Vox Machina vs. The Briarwoods: Who will survive? And what terrible secret waits for our heroes beneath Whitestone? Thanks to @CRTranscript and all the #critters for closed captions! Watch the next episode on Geek and Sundry now! http://geekandsundry.com/critical-role-episode-35-denouement/ For more on RPGs, go to http://bit.ly/GS_RPG Visit us on http://geekandsundry.com Subscribe to Geek and Sundry: http://goo.gl/B62jl Join our community at: http://geekandsundry.com/community Twitter: http://twitter.com/geekandsundry Facebook: http://facebook.com/geekandsundry Instagram: http://instagram.com/geekandsundry Google+: https://plus.google.com/+GeekandSundry/
Views: 1473060 Geek & Sundry
Mine Safety Training Contests
 
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Mine Safety is serious business. Contests keep us sharp and ready for any situation we might have to face underground. The Mine Safety Unit is a part of the Workplace Regulations and Compliances division of the Tennessee Department of Labor and Workforce Development. Summer 2016
The Temple Showdown - Critical Role RPG Show: Episode 11
 
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Catch Critical Role live Thursdays at 7PM PT on Twitch: https://goo.gl/D9fsrS Listen to the Critical Role podcast: https://goo.gl/jVwPBr This time around, Vox Machina finds themselves in dire straits. We pick up where we last left off, with the adventurers about to take on a giant of some sort they stumbled upon while scouting. After Vax’ildan is overpowered by it’s dreadful stench, a fight ensues, in which the giant is revealed to be a Fomorian and is quickly subdued. Keyleth places a geas upon their foe, forcing him to fight for them in the battle against K’varn. Everybody then rests, to prepare for their next big test: the assault on K’varn’s temple. Who will survive this grueling battle?​ See episodes early at http://geekandsundry.com/shows/critical-role/ Check out the Geek and Sundry Twitch stream for more, with Critical Role on Thursdays from 7-10pm on http://www.twitch.tv/geekandsundry Thanks to @CRTranscript and all the #critters for closed captions! Visit us on http://geekandsundry.com Subscribe to Geek and Sundry: http://goo.gl/B62jl Join our community at: http://geekandsundry.com/community Twitter: http://twitter.com/geekandsundry Facebook: http://facebook.com/geekandsundry Instagram: http://instagram.com/geekandsundry Google+: https://plus.google.com/+GeekandSundry/
Views: 2053993 Geek & Sundry
Gemusetto Machu Picchu | adult swim
 
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Join Young Makasu on an Epic Six-Part Journey! Sportsman/relic-thief Makasu travels the world defeating religious pantheons in sports and stealing their mystical artifacts. But can he overcome his emotional memories in order to defeat the gods of the Inca in tennis? SUBSCRIBE: http://bit.ly/AdultSwimSubscribe About Adult Swim: Get your Adult Swim fix whenever and wherever you want at http://asw.im/1HjaIU, or by downloading the Adult Swim app. Binge marathons or watch selected episodes of many of your favorite shows including Rick and Morty, Robot Chicken, Venture Bros., Aqua Teen Hunger Force and many more. And check out the Live Stream, our block of live, interactive shows every weekday: http://asw.im/1W4jug Connect with Adult Swim Online: Download the APPS: http://www.adultswim.com/apps/ Visit Adult Swim WEBSITE: http://bit.ly/ASWebsite Like Adult Swim on FACEBOOK: http://bit.ly/ASFacebook Follow Adult Swim on TWITTER: http://bit.ly/ASTweet Follow Adult Swim on INSTAGRAM: http://instagram.com/adultswim Gemusetto Machu Picchu | adult swim http://www.youtube.com/user/adultswim
Views: 96345 Adult Swim
Nissan Skyline
 
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The Nissan Skyline is a line of compact cars, sports cars and compact executive cars originally produced by the Prince Motor Company starting in 1955, and then by Nissan after the two companies merged in 1966. After the merger, the Skyline and its larger counterpart, the Nissan Gloria, were sold in Japan at dealership sales channels called Nissan Prince Shop. This video targeted to blind users. Attribution: Article text available under CC-BY-SA Creative Commons image source in video
Views: 307 encyclopediacc
Chicago Tunnel Company | Wikipedia audio article
 
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This is an audio version of the Wikipedia Article: https://en.wikipedia.org/wiki/Chicago_Tunnel_Company 00:00:26 1 History 00:02:08 1.1 Refinancing 00:04:03 1.2 Bankruptcy and reorganization 00:06:30 1.3 Conflict with the subway 00:07:16 1.4 Company failure 00:07:54 1.5 Tunnel flooding 00:11:53 2 Construction 00:15:33 3 Equipment 00:15:41 3.1 Motive power 00:18:33 3.2 Freight cars 00:20:02 4 Operation 00:22:34 4.1 Merchandise 00:23:45 4.2 Mail 00:24:34 4.3 Coal 00:26:50 4.4 Excavation debris and ashes 00:30:27 4.5 Secondary businesses 00:31:39 5 See also Listening is a more natural way of learning, when compared to reading. Written language only began at around 3200 BC, but spoken language has existed long ago. Learning by listening is a great way to: - increases imagination and understanding - improves your listening skills - improves your own spoken accent - learn while on the move - reduce eye strain Now learn the vast amount of general knowledge available on Wikipedia through audio (audio article). You could even learn subconsciously by playing the audio while you are sleeping! If you are planning to listen a lot, you could try using a bone conduction headphone, or a standard speaker instead of an earphone. Listen on Google Assistant through Extra Audio: https://assistant.google.com/services/invoke/uid/0000001a130b3f91 Other Wikipedia audio articles at: https://www.youtube.com/results?search_query=wikipedia+tts Upload your own Wikipedia articles through: https://github.com/nodef/wikipedia-tts Speaking Rate: 0.943681122909643 Voice name: en-US-Wavenet-A "I cannot teach anybody anything, I can only make them think." - Socrates SUMMARY ======= The Chicago Tunnel Company built a 2 ft (610 mm) narrow gauge railway freight tunnel network under the downtown of the city of Chicago. This was regulated by the Interstate Commerce Commission as an interurban even though it operated entirely under central Chicago, did not carry passengers, and was entirely underground. It inspired the construction of the London Post Office Railway.
Views: 67 wikipedia tts
"All My Relations: Biennale of Sydney 2012"
 
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The Dr. Allen Root Contemporary Art Distinguished Lecture with Gerald McMaster Ph.D., Fredrik S. Eaton Curator, Canadian Art, Art Galley of Ontario Dr. McMaster was recently selected as co-Artistic Director to the 2012 Biennale of Sydney. In his lecture, he will touch on the themes and issues that will shape this important international exhibition. Dr. McMaster, a curator and artist, was responsible for the installation of the permanent exhibitions at the Smithsonian National Museum of the American Indian, and more recently the reinstallation of the Canadian Wing at the Art Gallery of Ontario. His publications include New Tribe/New York (2005), Remix (2007), and the critically acclaimed Inuit Modern (2011). His awards and recognitions include the 2001 ICOM-Canada Prize, the 2005 National Aboriginal Achievement Award, and the Order of Canada (2007). Location: Arthur M. Loew Auditorium
Views: 4760 Dartmouth
Mod-09 Lec-38 Sustainable development and energy geotechnology
 
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Ground Improvement Techniques by Dr. G.L. Sivakumar Babu, Department of Civil Engineering, IISc Bangalore. For more details on NPTEL visit http://nptel.iitm.ac.in
Views: 863 nptelhrd
Timeline of United States inventions (before 1890) | Wikipedia audio article
 
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This is an audio version of the Wikipedia Article: Timeline of United States inventions (before 1890) Listening is a more natural way of learning, when compared to reading. Written language only began at around 3200 BC, but spoken language has existed long ago. Learning by listening is a great way to: - increases imagination and understanding - improves your listening skills - improves your own spoken accent - learn while on the move - reduce eye strain Now learn the vast amount of general knowledge available on Wikipedia through audio (audio article). You could even learn subconsciously by playing the audio while you are sleeping! If you are planning to listen a lot, you could try using a bone conduction headphone, or a standard speaker instead of an earphone. You can find other Wikipedia audio articles too at: https://www.youtube.com/channel/UCuKfABj2eGyjH3ntPxp4YeQ You can upload your own Wikipedia articles through: https://github.com/nodef/wikipedia-tts "The only true wisdom is in knowing you know nothing." - Socrates SUMMARY ======= A timeline of United States inventions (before 1890) encompasses the ingenuity and innovative advancements of the United States within a historical context, dating from the Colonial Period to the Gilded Age, which have been achieved by inventors who are either native-born or naturalized citizens of the United States. Copyright protection secures a person's right to his or her first-to-invent claim of the original invention in question, highlighted in Article I, Section 8, Clause 8 of the United States Constitution, which gives the following enumerated power to the United States Congress: In 1641, the first patent in North America was issued to Samuel Winslow by the General Court of Massachusetts for a new method of making salt. On April 10, 1790, President George Washington signed the Patent Act of 1790 (1 Stat. 109) into law proclaiming that patents were to be authorized for "any useful art, manufacture, engine, machine, or device, or any improvement therein not before known or used". On July 31, 1790, Samuel Hopkins of Pittsford, Vermont became the first person in the United States to file and to be granted a patent for an improved method of "Making Pot and Pearl Ashes". The Patent Act of 1836 (Ch. 357, 5 Stat. 117) further clarified United States patent law to the extent of establishing a patent office where patent applications are filed, processed, and granted, contingent upon the language and scope of the claimant's invention, for a patent term of 14 years with an extension of up to an additional 7 years. However, the Uruguay Round Agreements Act of 1994 (URAA) changed the patent term in the United States to a total of 20 years, effective for patent applications filed on or after June 8, 1995, thus bringing United States patent law further into conformity with international patent law. The modern-day provisions of the law applied to inventions are laid out in Title 35 of the United States Code (Ch. 950, sec. 1, 66 Stat. 792). From 1836 to 2011, the United States Patent and Trademark Office (USPTO) has granted a total of 7,861,317 patents relating to several well-known inventions appearing throughout the timeline below.
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