Babban Hardness Core Drill Na'urorin Farfadowa Kayan aikin Farfadowa Sandunan hakowa daga rami
duba MoreBWL BWL-U jerin lu'u-lu'u coring core ganga shugaban taron ma'adinai bincike geotechnical hakowa muhalli
duba MorePWL surface saurin sakin wiireline overshot binciken ma'adinai geotechnical, hakowa muhalli
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