Crushing And Milling | Mining Of Mineral .
Machines called continuous miners are used to remove the coal. The coal is loaded onto conveyor belts and taken up to the surface for further crushing. A machine called a continuous miner at work at the coal face. Room and pillar mining. What happens once the ore has been removed from the crust by mining? Crushing and milling. This section looks at methods to get very large rocks crushed and ...