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Underground mine ventilation provides a flow of air to the underground workings of a mine of sufficient volume to dilute and remove noxious gases (typically methane, CO).
As mining properties at Round Mountain changed hands in the 1970s and 1980s the emphasis on the methodology of the recovery of ore swung from the adits and stopes of underground mining to the open pit.
Joy Mining Machinery is a manufacturer of surface and underground mining machinery based in Warrendale, Pennsylvania, United States.
DOK-ING mine clearing, firefighting, and underground mining UGV's