How to say “The sticker says this safe is fireproof, so the original documents stay in there, not on somebody's desk.” in Japanese
In Japanese
ラベルに、この金庫は耐火だと書いてあるから、原本は机の上じゃなくてここにしまう。
Raberu ni, kono kinko wa taika da to kaite aru kara, genpon wa tsukue no ue ja nakute koko ni shimau.