small coal mining machines


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    Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content, and, since the 1880s, has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production.


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    Atypically, the coal mining industry in China has traditionally been somewhat fragmented. As of 2012, the top 10 domestic coal companies produced only 30% of the material mined in China, the rest being extracted by small and medium sized local companies.


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    Small Scale Mining Equipment is widely used in the works of mine, smelting, building materials, road, railway, irrigation, chemical industry etc. 2.The Small Scale Mining Equipment is applicable for the rough and medium crushing of rocks and ores with a compressive strength less than 320MPA.


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    Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content, and, ... Small-scale mining of surface deposits dates back thousands of years. ... Coal-cutting machines were introduced in the 1880s.