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Request PDF on ResearchGate | On Jan 1, 2015, Lirong Wan and others published Static Analysis and Improvement of Ranging Arm of Shearer Based on ANSYS
Surface mining is only economic when the coal seam is near the surface. This method recovers a higher proportion of the coal deposit than underground mining as all coal seams are exploited% or more of the coal can be recovered. Hatch has many coal capabilities that include coal mine development, coal handling and processing, coal .