galvanizer
/ˌgælvəˈnaɪzər, ˌgælvəˈnaɪzər/Definitions
1. noun
a person or machine that galvanizes something
“The galvanizer applied a protective coating to the steel beams to prevent rust.”
2. verb
to apply a protective coating to something, especially metal, to prevent rust or corrosion
“The workers galvanized the metal pipes to make them more durable.”