To coat a metal with zinc to increase resistance to corrosion. The following processes are used to apply a coating of zinc to iron or steel:
(1) Hot-dip galvanizing (dipping in molten zinc)
(2) Metallizing (spraying with molten zinc)
(3) Painting with zinc-rich paint
(4) Zinc plating (electro-galvanizing)
(5) Sherardization (heating with zinc dust in a rotation furnace)