5 Terms
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General mining
General mining related terms and definitions in minerals and related activities.
Industry: Mining
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General mining
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.
lock sill
Mining; General mining
A raised portion of the floor of a lock chamber, forming a stop against which the lock gates bear when they are shut.
pneumatic ram
Mining; General mining
A ram fed by a compressed-air pipeline. The piston is about 8 in (20 cm) in diameter, giving an area of 50 in 2 (323 cm 2 ) and exerts a pushing force of up to 4,000 lb (1,800 kg).
