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Mineral mining
The extraction of valuable minerals or other geological materials from the earth for economic interests.
Industry: Mining
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Mineral mining
deflagration
Mining; General mining
An explosive reaction such as a rapid combustion that moves through an explosive material at a velocity less than the speed of sound in the material.
vigorite
Mining; General mining
An explosive resembling dynamite No. 2 and consisting of nitroglycerin with a more or less explosive dope.
tight shot
Mining; General mining
An explosive shot that has been set off to loosen coal in a seam that has not been previously cut or sheared.
high explosive
Mining; General mining
An explosive that is capable of detonating. There are two main types: (1) primary explosives, which detonate no matter what type of stimulus is given--these usually are very sensitive and (2) ...
nonpermissible explosive
Mining; General mining
An explosive that is not approved in law for use in gassy mines.
delay element
Mining; General mining
An explosive train component consisting of a primer, a delay column, and a relay transfer charge assembled in a single housing to provide a controlled time delay.
