Скачать или смотреть Piperoof Installation work

Presupport (Piperoof) Installation Work in Tunnel.
Piperoof installation work done in case of complex geological condition for providing pre-support to the tunnel face as well as the ground ahead of face and keeps the tunnel stabilised while supporting after first excavation. It also provides safe working space.
Video Credit : Mr. Pankaj Sharma Sir
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#mining
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#engineering
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