Question

what is galvanization iron ? how is galvanized iron protect from rust?

Answer 1

the process of layering iron by a less reactive metal is called galvanized iron. It do not let water to come in contact with water and air.

Answer 2

the process of galvanization is coating iron with nickel or cobalt .so,it does not get in contact of water or oxygen so,it does not get rusted or loose it's mass