The process of coal mining underground.
Coal miners wearing helmets with lights on underground, one sets off an explosion. Miner winds up wire and walks along tunnel. He picks up pick axe, to chip at the side of the coal. CU Three miners crouching close together talking. The men start to pull away the coal using their pickaxes. The coal is thrown in chunks on to a moving conveyor belt. A new beam is put into position to secure the ceiling. Coal is shovelled on to a moving conveyor belt.
Mute Col Neg