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underground metal mining methods ppt

Apr 14, 2014·Underground mining methods1.Underground Mining Methods: By: Tayyab anwar (12MN01) Asif Morio(12-11MN60) Ihsan Ali(12MN89) Sadam(12MN91) 2.Mining: The activity,occupation and industry concerned with the extraction of minerals.Underground mining: Mineral exploitation in which all the extraction is carried out beneath the surface of earth.

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