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  • Heavy metals

    Heavy metals are precious but toxic and include elements which contain cadmium, mercury, lead and arsenic and that may be found in many electrical and electronic domestic appliances. 

  • Hydro-fluorocarbons (HFC)

    The hydro-fluorocarbons do not contain substances that harm the ozone layer and are used as substitutes of chloral-fluorocarbons (CFCs) in cooling devices and air conditioning equipments, as well as in production of isolation foams.