Translation of "to rust" into Polish

You better get out of that tub before that thing begins to rust.

Lepiej już wyjdź z tej wanny, zanim to coś zacznie rdzewieć.

If you don't take it out and use it, it's going to rust.

Jak nie wyjmiesz miecza z piachu zardzewieje i narobi ci obciachu.