Blaster

1) Assembles, plants, and detonates charges of industrial explosives to loosen earth, rock, stumps, or to demolish structures to facilitate removal: Examines mass, composition, structure, and location of object to be blasted, estimates amount and determines kind of explosive to be used, and marks location of charge holes for drilling.

2) Assembles primer and places primer with main charge in hole or near object to be blasted.

3) Covers charge with mud, sand, clay, or other material and tamps firm to improve detonation and confine force of blast.

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