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Applying soft-rock mining concepts in hard-rock mining

MINING.COM Staff Writer | December 20, 2016 | 3:41 am Base Metals Energy Precious Metals Coal Gold Platinum 

Caterpillar wants to replace conventional drill-and-blast operations in low heights. That's why it introduced its Rock Straight System, which is defined as "a fully mechanized longwall system designed for continuous mining of flat and tabular deposits and reefs of hard rock...

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