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The tunnel boring machine (18 photos)

How to drill a tunnel in the mountain? Of course, using TBM - tunnel boring machine.
The biggest TBM is 15, 43 meters in diameter and is now being used in China to drill a tunnel under the river.
Shocked-shocked! ..





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Source:
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Ageless tile: innovations of recent years
...
Electric motors: what they are
...
Soviet car industry of Cheburashka to Porsche
...
180,000 kilometers of riding on the "Chinese"
...
Playing god at how AI has learned to win human
...
On the American auto show on 21 th Volga
...
Steam engines ... and how there were "horse power"
...
Error codes for washing machines
...
As we ran in Tesla Model S: the first 2,500 km
...
Why the Washing Machine Issues Errors and What Error Codes Mean
...
MarkII jzx90. The path from the drain to 800+ hp
...
Moscow-Samarkand-Moscow
...
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...
Adventures of Belarusians in Russia: How to buy a car
...
LOST. Release
...
How much will my military equipment?
...
Turbovosch
...
How much "samopal"
...
Fans of Soviet cars (6 photos)
...
Exotic cars
...
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...
How to test the Belarusian Geely cars
...
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...
When did it all start?
 August and Kabul.  Ckladnoy sport aircraft