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
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Mineral mining
Skip hoist
Mining; General mining
A bucket or car operating up and down a defined path, receiving, elevating, and discharging bulk materials.
Coal elevator
Mining; General mining
A building in which coal is raised and stored preparatory to loading on cars, ships, etc.
Shaft house
Mining; General mining
A building at the mouth of a shaft, where ore or rock is received from a mine.
Leveller
Mining; General mining
A buck scraper, drag, or any other form of device for smoothing land.
Anaconda method
Mining; General mining
A bunch-blasting method in which 6 to 15 fuses, cut to respective lengths 2 in (5.1 cm) longer than required, are tied together near one end by two ravelings of fuse spaced about 120 5 to 6 in (12.7 ...
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