サビ落とし
さ
び
お
と
し
Meanings
1
rust removal; removing rust
Refers to the process or act of removing rust from metal surfaces.
I removed rust from the bicycle chain.
This tool is handy for rust removal.
2
rust remover; rust-removing agent
Refers to a product, chemical, or tool used to remove rust.
I bought a rust remover at the home center.
This rust remover is powerful and removes rust quickly.