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Vol 148 No 2
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Development of devices in the modernized technology of drilling and blasting operations for joint mining of ore and ornamental granite in the contours of a common pit

S. K. Rubtsov
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  • VNIPIpromtechnologii
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Improvement of efficiency of mining production is directly connected with increase of a degree of use of extracted from a subsoil both the basic and jointly developed or by-product minerals. Application of mass explosions at open-cast mining causes the necessity to protect the sites of jointly developed or nearby deposits from harmful seismic-explosive effects.

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