6 Stages of the Mining Process | BOSS Magazine
22/6/2018#0183;#32;Underground mining. The digging of tunnels and sink shafts when the oreor mineral depositis below the surface. Hand tools such as chisels, hammers, and wedges are used to break up waste rock, Sometimes, areas must even be blasted in order to loosen rock so workers can more easily separate the ore from the waste rockwhich are mined