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Abandoned mine shafts in Marl, Germany A plan-view schematic of a mine shaft showing cage and skip compartments. Services may be housed in either of the four open compartments. Shaft mining or shaft sinking is the action of excavating a mine shaft from the top down, where there is initially no access to the bottom. [1]
An adit (from Latin aditus, entrance) [1] or stulm [2] is a horizontal or nearly horizontal passage to an underground mine. [3] Miners can use adits for access, drainage, [4] ventilation, and extracting minerals at the lowest convenient level. [1]
Coal breakers were located as close to the anthracite mine entrance as possible, so as to minimize the distance the coal had to travel before processing. [ 2 ] [ 4 ] Prior to entering the breaker, the coal would be crushed and sorted in a coal tipple [ 2 ] [ 8 ] and, if necessary and if water was available, washed .
Now the Mine Shaft sign is back above the entrance to the end zone sections 14 and 15, and 10 minutes before UTEP's 7 p.m. kickoff against Southern Utah on Sept. 7, the team will make the walk ...
Schematic of underground mine ventilation The mine ventilation fan, before 1908. Underground mine ventilation provides a flow of air to the underground workers of a mine with sufficient volume to dilute and remove dust and noxious gases (typically NO x, SO 2, methane, CO 2 and CO) and to regulate temperature.
A person exploring a disused mine in Cumbria, England. Mine exploration is a hobby in which people visit abandoned mines, quarries, and sometimes operational mines. Enthusiasts usually engage in such activities for the purpose of exploration and documentation, sometimes through the use of surveying and photography.
A drift mine is an underground mine in which the entry or access is above water level and generally on the slope of a hill, driven horizontally into the ore seam. [ 2 ] Drift is a more general mining term, meaning a near-horizontal passageway in a mine, following the bed (of coal, for instance) or vein of ore.
OZM mine may sometimes be laid directly on top of an MS-3 mine. The MS-3 is an anti-handling device which closely resembles a PMN mine, except that it has a "blister" on top and operates purely as a pressure-release boobytrap. Lifting an OZM mine (without rendering safe the MS-3 placed underneath) will trigger detonation.