MASSIMO BREGA, THE LIGHTHOUSE / SCIENCE PHOTO LIBRARY MASSIMO BREGA, THE LIGHTHOUSE / SCIENCE PHOTO LIBRARY
Drinking water sample being tested. Chemist injecting a sample of water from a waterworks into an analytical machine. The water used to produce drinking water is tested at every stage for excessive amounts of pollutants, heavy metals, toxins and micro-organisms. The machine being used here will be able to detect minute traces of chemicals and identify them. Photographed at a laboratory operated by SMAT, the metropolitan water company of Turin, Italy.
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