SPUTNIK / SCIENCE PHOTO LIBRARY SPUTNIK / SCIENCE PHOTO LIBRARY
Nuclear fuel assembly. Workers inspecting fuel pin bundles being produced at a nuclear fuel assembly factory. Each bundle (two seen here) is being held and moved by lifting machinery. The bundles contain hundreds of fuel pins that are each several metres long. These fuel pins are hollow metal tubes filled with small pellets of nuclear fuel. This fuel will be a radioactive isotope such as uranium or plutonium. Several hundred of these fuel pin bundles will be loaded into a nuclear reactor to initiate a controlled nuclear fission reaction. These fuel pin bundles are being assembled at the Novosibirsk Chemical Concentrate Plant, which is in Novosibirsk, Russia. Photographed in 2007.
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