- WHAT IS THE DIFFERENCE BETWEEN SURFACE MINING AND UNDERGROUNG MINING?
- WHAT KIND OF MACHINES ARE USED IN SURFACE MINING? NAME THEM.
- WHAT ARE THE TUNNELS IN UNDERGROUNG MINING USED FOR?
- HOW DO THE CONVEYOR BELTS HELP IN THE PROCESS?
- WHAT ARE THE THREE DIFFERENT TYPES OF MINES BUILT IN UNDERGROUND MINING? HOW ARE THEY USED?
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