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Gotthard tunnel: World’s longest and deepest rail tunnel

The tunnel has overtaken Japan's 53.9km Seikan rail tunnel as the longest in the world and pushed the 50.5km Channel Tunnel linking the UK and France into third place.

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List of long tunnels by type

List of long tunnels by type. ... Longest road tunnel in the world. Yamate Tunnel: Japan : 18.20 km (11.3 mi) 2007 2010 2015: 2: C2, Shuto Expressway:

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Bouygues Construction uses world's two largest tunnel

(1) Larger than the TBM used to build Groene Hart Tunnel in the Netherlands (14.90 metres) which Bouygues Travaux Publics handed over at the end of 2005. (2) A subsidiary of Shanghai Urban Construction Group, Stec specialises in the construction of tunnel

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OSHA Technical Manual (OTM) | Section II: Chapter 3

OSHA Technical Manual (OTM) | Section II: Chapter 3 - Technical Equipment: On-site Measurements

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China Plans the World's Longest Water Tunnel to Create an

Engineers in China are laying plans for what would be the world’s largest water tunnel at more than 600 miles. The tunnel, which would stretch from Tibet to the Taklimakan Desert in Xinjiang province, would surpass the current record holder: a 85-mile tun

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10 Longest Tunnels in the World | BigRentz

To give you the full picture on the longest rail and road tunnels to date, we’ve highlighted 10 of the longest (and impressive) tunnels in the world below. Gotthard Base Tunnel. Currently the longest and most expensive rail tunnel in the world, the Gottha

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World's Longest Tunnel - How It Was Built - Full Documentary

The tunnel's constructor, AlpTransit Gotthard AG, originally planned to hand over the tunnel to Swiss Federal Railways (SBB CFF FFS) in operating condition in December 2016 but, on 4 February 2014 ...

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DOT, Professional, Technical, and Managerial Occupations

0/1 PROFESSIONAL, TECHNICAL, AND MANAGERIAL OCCUPATIONS 024.381-010 to 079.131-010 This category includes occupations concerned with the theoretical or practical aspects of such fields of human endeavor as art, science, engineering, education, medicine, l

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The World's Longest Railroad And Road Tunnels - WorldAtlas

The World's Longest Railroad And Road Tunnels. When it comes to tunnels capable of supporting railways and highways, the world's largest can be found in …

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Semiconductor Technology Acronyms (Processes such

1, 1-trichloroethane; trichloroethate 1/f, one over "f" noise where "f" is frequency 1D, one dimensional 1T-1C, 1 transistor/1 capacitor 1T-2C, 1 transistor/2 capacitor

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The New Worlds Largest Wind Tunnel is Here | Indoor Skydiving

Fly-In in Belgium opens its doors to the public on December, 16th making 2015 a landmark year with the largest wind tunnel in the world.

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watch bertha, the world’s largest tunnel - hoezodesign.be

watch bertha, the world’s largest tunnel. We are the manufacturer of coal mining machine,roadheader,coal loader,tunnel mucking loader,backfilling machine,concerte pumping machine and so on. watch bertha, the world’s largest tunnel manufacturer, supplier.

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How Texas Lost the World's Largest Super Collider – Texas

The Higgs boson, a particle that has shaped the theories of modern particle physics, was discovered at a super collider in Geneva. It was a hugely significant moment for Big Science, one that received a Nobel Prize earlier this year—and it should have bee

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Behold, the World's Largest Wind Tunnel! | NASA

The scene is NACA's 40 x 80 foot wind tunnel at Ames Aeronautical Laboratory, Moffett Field, California, which when it was built was the world's largest.

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World's Largest Aqueducts, Moving Billions Of Gallons

Two of the more interesting tunnels that humans build are transportation tunnels for trains and cars and water aqueducts supplying large cities. The largest existing aqueduct in the world is the Thirlmere Aqueduct in North West England built between 1890

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