1.Ozone industrial Disinfection Machine with self source of 2.oxygen. Conc. of ozone 200G/ ... for disinfection, sterilization, purification, improvement of hygienic quality of food, extending the shelf life of food. It can reach the national ... . Other metals: Arsenic (in presence of Iron), Cadmium, Chromium, Cobalt, Copper, Lead, Manganese, Nickel, Zinc- can be treated in a similar ...