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The top documents tagged [controlled use of explosives]
Coal Mining The goal of coal mining is to economically remove coal from the ground. Coal is valued for its energy content, and since the 1880s is widely
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Coal Mining The goal of coal mining is to economically remove coal from the ground. Coal is valued for its energy content, and since the 1880s is widely
215 views
Blasting & Flyrock Awareness Recognizing the Hazards Prevent injury to people Prevent damage to property
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DEMOLITION OF THE TWO OLD LADIES OF CAPE TOWN, BY THE CONTROLLED USE OF EXPLOSIVES. PRESENTER, DICK GREEN
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