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World’s 1st: China’s boring-blasting machine claims 30% efficient tunneling
The machine uses completely different methods for drilling and blasting and is claimed to be a boon for water conservancy, mining, railways and highway projects. With the power of modern tunnel bo ...
Interesting Engineering on MSN5mon
China unveils 5,000 metric ton-heavy tunnel boring machine with largest-diameter
The system uses completely different drilling and blasting methods and is claimed to be a boon for water conservation, mining ...
WPRI 121mon
Planned blasting causes rocks to spill onto I-495 in Wrentham
WRENTHAM, Mass. (WPRI) — The Massachusetts Department of Transportation (MassDOT) is reminding drivers of scheduled drilling and blasting happening along I-495 after rocks were spotted spilling ...