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High Pressure Grinding Mill

2019429  4 99 Glossary of Mining Terms RPMGlobal 99 Glossary of Mining Terms RPMGlobal 5 Angle of Draw in coal mine subsidence this angle is assumed to bisect the angle between the vertical and the angle of repose of the material and is 20 for flat seams. For dipping seams the angle of break increases being 35.8 from the vertical for a 40 dip.

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