SPUTNIK / SCIENCE PHOTO LIBRARY SPUTNIK / SCIENCE PHOTO LIBRARY
Oil refinery worker operating a wheel control for an oil pipeline valve. An oil refinery is where oil is refined from the crude state (in which it is pumped from the ground) into the separate components used as fuels and as the raw materials for the petrochemical industry. A natural gas storage tank is seen in the background. This oil refinery is operated the Rosneft company. It is in the Priobski oil field, in the Khanty-Mansi autonomous region of Russia. Photographed in 2006.
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