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Micro Pulverizers For Mining Under

Micro Pulverizers For Mining Under

In north america the methods of asbestos mining are 1 open quarries 2 open pits with glory holes 3 shrinkage stoping and 4 block caving the tendency is toward more underground mining in quarrying the present trend is to work high benches up to h6 meters 150 feet high and blast down 91000 kkg 100000 tons or more of rock.

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