DAVID HAY JONES / SCIENCE PHOTO LIBRARY DAVID HAY JONES / SCIENCE PHOTO LIBRARY
Wood debarking machine. Logs being debarked at a paper mill. After the machine has removed the bark from the logs, another machine will turn them into wood chips. Further stages of grinding and heating are needed to produce the pulp used to make paper. Photographed at the Ortviken paper mill, Sundsvall, Sweden.
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