Rust stains Synonyms

Rust replaced

(noun) a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture
(noun) the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water
(verb) become destroyed by water , air, or a corrosive such as an acid

RS is an abbreviation for Rust Stains

What does RS stand for?

RS stands for "Rust Stains"