4 Terms
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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
inundation
Mining; General mining
An inrush of water, on a large scale, that floods the entire mine or a large section of the workings.
fusible plug
Mining; General mining
An insert of metal with low melting point placed in boilers, sprinklers, and other devices to melt when the temperature becomes dangerously high, so that the melting will relieve pressure, allow ...
soniscope
Mining; General mining
An inspection instrument, which sends, by electronic means, pulses of high frequency through the material to be tested and measures the time of travel from the transmitter on one face to the receiver ...
fluoroscopy
Mining; General mining
An inspection procedure in which the radiographic image of the subject is viewed on a fluorescent screen; normally limited to low-density materials or to thin sections of metals because of the ...
test detonator
Mining; General mining
An instantaneous detonator that has a strength equivalent to that of a detonator with a base charge of 0.40 to 0.45 g PETN.
Shore scleroscope
Mining; General mining
An instrument comprising a small diamond-shaped hammer that falls freely down a graduated tube of glass from a constant height. The hardness of the surface under test is measured by the height of the ...
