The demolition equipment are attached to the block demolition charges in the United States.
United States USA Date:1944 Duration:2 min 8 sec Sound:Yes
A film depicts the demolition procedures. Demolition equipment kept on a table. The equipment are attached to the block demolition charges. A diagram represents the working of the demolition charge. The working of the various devices of the demolition charge is demonstrated. The various devices working inside the demolition charges are firing pin, positioning spring, safety ball, spacer, catch spring assembly, snap diaphragm, battery cup primer, blasting cap and the explosive charge.
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