- 업종: 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 laborer who removes studs from aluminum reduction pots by operating a motor-driven hydraulic jack.
Industry:Mining
A laborer who replaces grates on conveyors after roasted lead ore has been dumped into cars, using hooks. Lead ore is loaded on grates and conveyed through a furnace in which the sulfur is driven off by roasting prior to the ore being melted to separate and recover the lead in another furnace.
Industry:Mining
A laborer who salvages sludge from furnace pots for use in recovery of metals.
Industry:Mining
A laborer who salvages sludge from furnace pots for use in recovery of metals.
Industry:Mining
A laborer who shovels charcoal over the surface of molten copper being poured from a reverberatory furnace into a tilting ladle to prevent excess oxidation of metal.
Industry:Mining
A laborer who shovels or dumps asbestos fibers and sprays them with water to prepare them for the beating process that reduces fibers to pulp for making asbestos paper.
Industry:Mining
A laborer who switches flow of sand (waste minerals and water resulting from treatment of ore for removal of valuable minerals) in pipe or flumes from one stope (underground openings from which ore has been mined) to another, so that they will be properly filled with sand (after water has drained off) to support the walls and roof and prevent caving of the ground surrounding the worked out area.
Industry:Mining
