1. rust
2. tarnish
Kanji
1. rust
2. tarnish
1. rust
1. red rust
1. (plant) rust; rust fungus
1. stainless steel
1. rust (fungus)
1. rustproofing
1. black rust
1. Is not stainless steel.; It is not stainless steel.
1. If stainless steel; When stainless steel