10 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
ball grinder
Mining; General mining
A pulverizer or disintegrator consisting of metal balls enclosed in a rotating cylinder.
reciprocating pump
Mining; General mining
A pump consisting of a piston or plunger which lifts water to a higher level by a series of to-and-fro movements.
air pump
Mining; General mining
A pump for exhausting air from a closed space or for compressing air or forcing it through other apparatus. Compare: vacuum pump
lift pump
Mining; General mining
A pump for lifting to its own level, as distinguished from a force pump. A suction pump.
bucket pump
Mining; General mining
A pump for lifting to its own level, as distinguished from a force pump. A suction pump.
washery pump
Mining; General mining
A pump generally of simple construction and heavy design since slurry presents a difficult pumping problem owing to its erosive action. This type pump is generally of the single-stage type as heads ...
working on air
Mining; General mining
A pump is said to be working on air when air is sucked up with the water.
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