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Auger Mining Britannica in france

coal mining Encyclopaedia Britannicas editors oversee subject areas in which they have extensive knowledge whether from years of experience gained by working on that content or via study for an advanced degree Auger mining method for recovering coal by boring into a coal seam at the base of strata exposed by excavation Normally one of the lowestcost techniques of mining it is limited to ... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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