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
Cinder block
Mining; General mining
A block closing the front of a blast furnace and containing the cinder notch.
Oxyhydrogen blowpipe
Mining; General mining
A blowpipe in which hydrogen is burned in oxygen. Streams of the two gases in the proportion to form water are forced under pressure from separate reservoirs, and issue together from a jet, igniting ...
Cogging mill
Mining; General mining
A blooming mill, usually consisting of a two-high reversing mill with two rolls, 0.6 to 1.2 m in diameter, between which a hot ingot is reduced to blooms or slabs.
Oreing down
Mining; General mining
A blocking operation in which ore is added to an open-hearth bath to oxidise the bath and to further reduce the carbon.
Carbonet
Mining; General mining
A block of compressed coal dust, used as fuel; also, a slab or block of artificial stone. Also spelled briquet.
Boulet
Mining; General mining
A block of compressed coal dust, used as fuel; also, a slab or block of artificial stone. Also spelled briquet.
