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United States Bureau of Mines
行业: 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 shovel with a hinge- and stick-mounted bucket that digs while being pulled inward.
Industry:Mining
A shovel with an esp. long boom and stick that enables it to reach further and pile higher.
Industry:Mining
A side passage sometimes made when the main adit is choked with waste rock.
Industry:Mining
A side track or parting some distance from the beginning of a long entry, at which cars are left by a gathering driver.
Industry:Mining
A side track or parting some distance from the beginning of a long entry, at which cars are left by a gathering driver.
Industry:Mining
A side-bump table having a surface made of a plane, endless, traveling belt. The Corning, Luhrig, and Stein tables are similar.
Industry:Mining
A side-bump table with plane surface, actuated by a cam, spring, and bumping post.
Industry:Mining
A side-jerk concentrating table similar to the Wilfley table.
Industry:Mining
A sidetrack with switches at both ends.
Industry:Mining
A sideways movement, such as sidesway, in a structural frame.
Industry:Mining
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