A faulty heater in the warehouse enflamed several boxes of packing material overnight.

倉庫裡一台故障的暖氣機在夜間點燃了好幾箱包裝材料。

The safety manual warns that a single spark can enflame oil-soaked rags in the workshop.

安全手冊警告，一個火花就可能點燃工作間裡沾滿油的抹布。

During the hotel tour, guests learned how staff safely enflame the lobby fireplace each evening.

在飯店導覽中，房客了解到員工每晚如何安全地點燃大廳的壁爐。