Interesting Engineering on MSN
World’s largest manufacturer of tunnel boring machines challenges US in innovation
China is becoming a major force in the global tunnelling industry through the development ...
Bertha, which got stuck digging a Seattle highway tunnel, is 60 feet below ground and can't move forward — or backward. Now a rescue plan is... Contractors working for the state of Washington are ...
14don MSN
Bullet train project: NHSRCL lowers cutterhead of second tunnel boring machine in Navi Mumbai
The National High Speed Rail Corporation Limited has successfully lowered the cutterhead for the second Tunnel Boring Machine ...
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