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WhatsApp: +86 18221755073Samir kumar das, (1994) "Opencast working drilling machinery", Surface mining hand book, page no 279 – 280. 10. Sethi, N.N. and Dey N.C., (2004), "A stimulated studies on blast design …
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WhatsApp: +86 18221755073Drilling. The act or process of creating holes in rock mass for later filling with explosive and blasting. Drill and Blast. The combined cycle of drilling and blasting, often classified as a discrete process and cost centre in most mines. Drill …
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WhatsApp: +86 18221755073shows the advantages and disadvantages of open pit mining method [2, 3]. 1.2 Ore body characteristics and configurations Open pit mining is widely used with metallic ore bodies …
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