11 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
narrow gage
Mining; General mining
A railway gage narrower than the standard gage of 4 ft 8-1/2 in (1.44 m).
mountain railway
Mining; General mining
A railway having such steep gradients that trains are hauled up them by ropes or by a rack locomotive.
funicular railway
Mining; General mining
A railway that negotiates a steep gradient; the cars are operated by cables and winches.
Davis wheel
Mining; General mining
A railway tire consisting of a soft plate and boss, and a wear- resistant tread of watertoughened manganese steel, cast integrally within.
toeboard
Mining; General mining
A raised edging around the perimeter of a work platform in drilling to prevent hand-tools from being accidentally kicked or knocked off the platform.
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