Staff must confirm the complete extinction of all candles before leaving the hotel ballroom.

員工離開飯店宴會廳前，必須確認所有蠟燭已完全熄滅。

The safety report noted the quick extinction of the warehouse fire by trained workers.

安全報告指出，倉庫火勢已被受過訓練的員工迅速撲滅。

Please check the extinction of the warning light before signing the shipping inspection form.

簽署出貨檢驗表之前，請先確認警示燈已經熄滅。