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United States Bureau of Mines
المجال: Mining
Number of terms: 33118
Number of blossaries: 0
Company Profile:
The U.S. Bureau of Mines (USBM) was the primary United States Government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources. Founded on May 16, 1910, through the Organic Act (Public Law 179), USBM's missions ...
A worker at the top of a shaft to superintend the operation of lowering and raising of a cage. At most mines, duties include removing loaded cars from the cage and placing empty cars on the cage.
Industry:Mining
A worker competent to mine in hard rock. Usually used to indicate an expert miner as compared with one fit only to mine in soft rocks.
Industry:Mining
A worker employed in a coal mine to cut the floor in cases of creep or upheaval toward the roof.
Industry:Mining
A worker employed in a coal mine to take down pelt (shaly stone) from the roof of a narrow seam, to make enough height for a coal cutting machine.
Industry:Mining
A worker fully employed on the haulage system in a mine.
Industry:Mining
A worker in a stone quarry.
Industry:Mining
A worker in iron, as a blacksmith.
Industry:Mining
A worker skilled in the making of jigs, fixtures, gauges, etc.
Industry:Mining
A worker who erects by rough masonry or cement work, partitions of stone, brick, or concrete blocks to control proper circulation of air through passageways outby working places.
Industry:Mining
A worker who fills a barrow with ore, coke, or stone, weighs it, and then places it on the cage or elevator to be hoisted to the top of the furnace.
Industry:Mining