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A heavy, flexible covering (usually made of woven-wire rope or cordage); covers an area during blasting, to prevent rock or […]

A metallic tube closed at one end, containing a charge of one or more detonating compounds, and designed for and

Using explosives to loosen rock or other closely packed materials.

A drill which cuts holes in rock for the placement of explosives.

A hole drilled into rock in which an explosive charge is to be placed.

A heater consisting of a set of heat-transfer coils (or sections) through which air is drawn or forced by a