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Continue to ChatInvestigation of the effect of bit grinding on the cost effective down the hole drilling in open pit mines - https://avesis.metu.edu.tr/yonetilen-tez/50ff8b02-95d7-4570-a29d-f0e19442fe5f/investigation-of-the-effect-of-bit-grinding-on-the-cost-effective-down-the-hole-drilling-in-open-pit-mines