The heavy metal zinc is an essential element for all living things. Zinc has a wide range of applications. In industry, it is mainly used as Corrosion protection for steel components ("galvanising") is used. In paints, it was the usual colour for many years. White pigment ("zinc white"). As an inorganic active ingredient, zinc was also used until the end of the 1980s. in water-soluble wood preservatives included. Zinc sheets were also used in part as Roof covering used.
