Coal mining is the process of extracting coal from the ... digging and manually extracting the coal on carts, ... Coal-cutting machines were introduced in the 1880s.

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On 28 November 2013, various Anglo Coal mining assets will be taken to auction including a 3,298 ton dragline machine which when new is valued at over ZAR1 billion.

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Alternative excavation ... method into the Australian coal mining industry by the use of a tunnel boring machine. ... more traditional methods of excavation for coal ...

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The colossal piece of machinery can be found at the world's biggest single coal excavation site, the Bogatyr Mine near the city of Ekibastuz in Kazakhstan.

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On 28 November 2013, various Anglo Coal mining assets will be taken to auction including a 3,298 ton dragline machine which when new is valued at over R1billion. The ...

A dragline excavator is a ... Bucyrus' largest dragline was Big Muskie built for the Ohio Coal Company in 1969. This machine ... In a typical cycle of excavation, ...

Alternative excavation methods in undeground , Alternative excavation methods in , by the use of a tunnel boring machine , will deliver coal onto a new overland ...

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Bagger 288 (Excavator 288), built by the German company Krupp for the energy and mining firm Rheinbraun, is a bucket-wheel excavator or mobile strip mining machine.

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Drifts/Inclined Shafts/Declines. Excavation methods for drifts ... Use of "roadheading" machines (machines with a cutter head designed to cut stone rather than coal) ...

digger. a tool or part of a machine used for excavation, ... coal digger cockle Communism compressed-air power Conrad machine Construction Machinery ...