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  2. Underground hard-rock mining - Wikipedia

    en.wikipedia.org/wiki/Underground_hard-rock_mining

    There are two principal phases of underground mining: development mining and production mining. Development mining is composed of excavation almost entirely in (non-valuable) waste rock in order to gain access to the orebody. There are six steps in development mining: remove previously blasted material (muck out round), scaling (removing any unstable slabs of rock hanging from the roof and ...

  3. Joy Global - Wikipedia

    en.wikipedia.org/wiki/Joy_Global

    The company marketed equipment to underground mine operations using the “Joy” products trademark. [24] Surface mining equipment is marketed using the “P&H” products trademark. [25] Joy Global's underground business received 90% of its revenue from coal projects, [2] and from the manufacture of underground mining equipment. [26]

  4. Underground personnel carrier - Wikipedia

    en.wikipedia.org/wiki/Underground_personnel_carrier

    An underground personnel carrier is any heavy duty vehicle designed specifically for the safe transport of personnel and their supplies into underground work areas. The most common underground applications is for the mining of either precious metal or coal .

  5. Bucyrus-Erie - Wikipedia

    en.wikipedia.org/wiki/Bucyrus-Erie

    Bucyrus-Erie was an American surface and underground mining equipment company. It was founded as Bucyrus Foundry and Manufacturing Company in Bucyrus, Ohio, in 1880.Bucyrus moved its headquarters to South Milwaukee, Wisconsin, in 1893.

  6. Normet - Wikipedia

    en.wikipedia.org/wiki/Normet

    Normet is a private Finland-headquartered, global technology company.The company manufactures underground equipment and applications and provides aftermarket services, construction chemicals, and rock support products and expertise for customer processes in underground mining and tunnelling as well as for civil construction industries.

  7. Category:Mining equipment - Wikipedia

    en.wikipedia.org/wiki/Category:Mining_equipment

    Pages in category "Mining equipment" The following 77 pages are in this category, out of 77 total. ... Underground personnel carrier; V. Vertical roller mill; W.

  8. Longwall mining - Wikipedia

    en.wikipedia.org/wiki/Longwall_mining

    Longwall mining is a form of underground coal mining where a long wall of coal is mined in a single slice (typically 0.6–6.0 m (2 ft 0 in – 19 ft 8 in) thick). The section of rock that is being mined, known as the longwall panel, is typically 3–4 km (1.9–2.5 mi) long, but can be up to 7.5 km (4.7 mi) long and 250–400 m (820–1,310 ft) wide.

  9. Minecart - Wikipedia

    en.wikipedia.org/wiki/Minecart

    Cart from 16th century, found in Transylvania. A minecart, mine cart, or mine car (or more rarely mine trolley or mine hutch) is a type of rolling stock found on a mine railway, used for transporting ore and materials procured in the process of traditional mining.

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