- 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 wooden rod used by shot firers for inserting the explosive cartridges and stemming material in shotholes. The stemmer must be long enough to reach the back of the shothole, and has a diameter 1/8 in (3.2 mm) larger than the cartridges. Metal is not permitted in any part of a stemmer used in British coal mines.
Industry:Mining
A wooden rod used by shot firers for inserting the explosive cartridges and stemming material in shotholes. The stemmer must be long enough to reach the back of the shothole, and has a diameter 1/8 in (3.2 mm) larger than the cartridges. Metal is not permitted in any part of a stemmer used in British coal mines.
Industry:Mining
A wooden rule (generally 2 m or 6 ft long, folded zigzag fashion in 15-cm or 6-in lengths), used by drillers, craftsmen, etc., to measure short distances. The rule usually is 3648 graduated in centimeters or in feet, inches, and fractions of an inch (sometimes in feet, tenths of a foot, and hundredths of a foot).
Industry:Mining
A wooden stick used in turning the tongs that hold a bloom under the hammer.
Industry:Mining
A wooden, plastic, or non-sparking metallic device used to punch an opening in an explosive cartridge to accept a detonator or a section of detonating cord.
Industry:Mining
A worker appointed by the mine manager to be in charge of the running of a train of manriding cars. This worker is the responsible person for starting and stopping the vehicles, for giving the proper signals, and for seeing that the safe seating capacity is not exceeded. During the shift this worker is employed on other duties.
Industry:Mining
