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coal mining unit

См. также в других словарях:

  • coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …   Universalium

  • Coal mining in India — Coal reserves in BTUs as of 2009 Coal mining in India has a long history of commercial exploitation covering nearly 220 years starting in 1774 with John Sumner and Suetonius Grant Heatly of the East India Company in the Raniganj Coalfield along… …   Wikipedia

  • Coal mining — Men leaving a UK colliery at the close of a shift Surface coal mining in Wyo …   Wikipedia

  • Coal — Sedimentary Rock Anthracite coal Composition Primary carbon Secondary hydrogen, sulfur …   Wikipedia

  • Coal dust — is a fine powdered form of coal, which is created by the crushing, grinding, or pulverizing of coal. Because of the brittle nature of coal, coal dust can be created during mining, transportation, or by mechanically handling coal. Contents 1 Risks …   Wikipedia

  • Coal liquefaction — is the process of producing synthetic liquid fuels from coal. Contents 1 Methods 1.1 Pyrolysis and carbonization processes 1.2 Hydrogenation processes 1.3 …   Wikipedia

  • mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …   Universalium

  • Coal companies of Australia — Contents 1 Anglo Coal Australia Ltd 1.1 Anglo Coal Callide Mine 1.2 Anglo Coal Capcoal Mine …   Wikipedia

  • Coal phase out — A coal phase out is a type of fossil fuels policy that dictates the gradual shutdown of operating coal fired power plants while prohibiting construction of new plants. Main Causes Environment Global warming The primary reasons for a government to …   Wikipedia

  • Mining in Australia — Super Pit gold mine at Kalgoorlie in Western Australia is Australia s largest open pit mine Mining in Australia is a significant primary industry and contributor to the Australian economy. Historically, mining booms have also encouraged… …   Wikipedia

  • Mining — This article is about the extraction of geological materials from the Earth. For the municipality in Austria, see Mining, Austria. For the siege tactic, see Mining (military). For name of the Chinese emperor, see Daoguang Emperor. Simplified… …   Wikipedia

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