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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
Piercer
Mining; General mining
A blasting needle, a pointed instrument for piercing the wad or tamp of a charge of explosive, to permit introducing a blasting fuse.
Brick fuel
Mining; General mining
A block of compressed coal dust, used as fuel; also, a slab or block of artificial stone. Also spelled briquet.
Briquette
Mining; General mining
A block of compressed coal dust, used as fuel; also, a slab or block of artificial stone. Also spelled briquet.
Total cap lag
Mining; General mining
A blasting term describing the total time between application of current and the detonation.
Coalette
Mining; General mining
A block of compressed coal dust, used as fuel; also, a slab or block of artificial stone. Also spelled briquet.
Eggette
Mining; General mining
A block of compressed coal dust, used as fuel; also, a slab or block of artificial stone. Also spelled briquet.
Lefkasbestos
Mining; General mining
A bleached-white variety of asbestiform chrysotile from Mt. Troodos, Cyprus.
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