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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
Tooth brake
Mining; General mining
A brake used to hold a shaft by means of a tooth or teeth engaging with fixed sockets. Not used for slowing or stopping.
Angle brace
Mining; General mining
A brace used to prevent mine timbers from riding or leaning; a brace across an interior angle.
Self-energizing brake
Mining; General mining
A brake that is applied partly by friction between its lining and the drum.
X-frame brace
Mining; General mining
A brace of a square set in which two diagonal pieces of timber cross to form an X.
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