Russia’s largest phosphate mine turns to Siemens for accurate measuring siemens.com/sensors If you asked the general person on the street about phosphorus, you might get a puzzled look. He or she probably wouldn’t know that this little-known element is fundamental to all living organisms. Phos- phorus is essential for the creation of DNA, cell membranes, and for bone and teeth formation in humans. Phosphorus is one of three nutrients, alo

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