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drilling and blasting processes for limestone Kenya

drilling and blasting processes for limestone Kenya

ASK MINING Blasting Practices at Open Cast Mines Mar 02 2012 · Following are some important facts related to blasting practices in open cast mines1 Drilling There are two major types of drilling techniques being used Down the Hole DTH It is used when the blast hole diameter varies from 100mm to 380mm and the depth of blast hole is 1215m

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