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crushiing of stones pdf

stone breaks The energy required in Nm is divided by the thickness of Limestone 269 720 13 Magnetite Iron Ore 46 750 8 Gneiss 272 910 16 the stone in m to give an impact strength expressed in N With the help of an empirical formula the materials Impact Work Index WI can be deduced from its impact strength Granite 268 940 17

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