20 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
Low-duty fire clay brick
Mining; General mining
A fire-clay refractory having a pyrometric cone equivalent not lower than 19 and a minimum modulus of rupture of 600 psi (4.1 MPa).
Bauxite brick
Mining; General mining
A firebrick composed essentially of hydrated alumina and ferric oxide. Such bricks are used for the lining of furnaces where a neutral material is required.
Water ampule
Mining; General mining
A fire-resistant plastic container of water that is used as a safety precaution in shotholes.
