SPUTNIK / SCIENCE PHOTO LIBRARY SPUTNIK / SCIENCE PHOTO LIBRARY
Power station. A train wagon full of coal inside a rotary dumper at a power station. This unit rotates the entire wagon so the coal pours out of it into a chute. This allows any design of wagon to be used. Once empty, the wagon is pushed out of the way by the next in line. Photographed at the Luchegorsky coal-fired power station in Russia.
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