5 Terms
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Mineral mining
The extraction of valuable minerals or other geological materials from the earth for economic interests.
Industry: Mining
Add a new termContributors in Mineral mining
Mineral mining
Multilayer bit
Mining; General mining
A bit set with diamonds arranged in successive layers beneath the surface of the crown. Compare: impregnated bit; surface-set bit.
Standard bit
Mining; General mining
A bit the size and design of which are as specified in standards accepted by the drilling industry.
