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Meaning Of Slag Which Found In Coal Mining

Hydraulic Cone Crusher

Comprehensive list of synonyms for mining and quarrying by Macmillan Dictionary and Thesaurus Thesaurus coal mining noun. the industry of digging coal out of the ground. colliery noun. British a coal mine and the buildings around it. fracking noun. a method of mining in which cracks are created in a type of rock called shale in order to obtain gas oil or other substances that are inside

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