Task: Question Answering
Input (English): Process:  -A machine called a pulverizer grinds the coal into a fine powder -The coal powder mixes with hot air, which helps the coal burn more efficiently, and the mixture moves to the furnace -The burning coal heats water in a boiler, creating steam -Steam released from the boiler powers an engine called a turbine, transforming heat energy from burning coal into mechanical energy that spins the turbine engine -The spinning turbine is used to power a generator, a machine that turns mechanical energy into electric energy -This happens when magnets inside a copper coil in the generator spin -A condenser cools the steam moving through the turbine -As the steam is condensed, it turns back into water -The water returns to the boiler, and the cycle begins again -
 Question: What is the effect of a great amount of copper is used on there are fewer miners.?
Output (English): none