MAXIMILIAN STOCK LTD / SCIENCE PHOTO LIBRARY MAXIMILIAN STOCK LTD / SCIENCE PHOTO LIBRARY
Fruit preserve manufacture. Technician checking the contents of a boiling tank through a spyhole. Fruit preserve or jam is made from whole fruit boiled to a pulp with sugar. Inspection of the tank's contents is part of ongoing quality control to ensure the product's quality. Photographed in Germany.
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