Drinking water samples being tested. Chemist labelling samples of drinking water from a waterworks. The water used to produce drinking water is tested at every stage for excessive amounts of pollutants,heavy metals,toxins and micro-organisms. The water,obtained from a river,goes through stages such as solids purification and ozone disinfection. Photographed at a laboratory operated by SMAT,the metropolitan water company of Turin,Italy | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Brega, Massimo / The Lighthouse |
Bildgröße: | 3665 px × 2414 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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