- Industry: 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 ...
An opencut mine in which steam shovels or other power shovels are used for loading cars.
Industry:Mining
An open-frame N-truss without diagonal members, with rigid joints between the top and bottom chords and the verticals. Known also as open-frame girder.
Industry:Mining
An opening below the loading point of a trunk or gate conveyor, to receive spillage. If the output is small, the pit may be emptied by hand once or twice in a shift, but if big tonnages are loaded, a spillage conveyor is installed.
Industry:Mining
An opening of truncated-cone shape in the tuyere breast of furnace. The tuyere cooler is placed in it.
Industry:Mining
An opening or crosscut driven through a pillar in the course of extraction.
Industry:Mining