Workers must wear safety goggles because sparks fly constantly in the welding area.

焊接區火花不斷飛濺，所以工人必須戴上護目鏡。

The technician unplugged the copier after a spark appeared near the power cord.

電源線附近冒出火花後，技術人員立刻拔掉影印機的插頭。

Our shipping insurance excludes damage caused by a spark from improperly stored equipment.

我們的運輸保險不理賠因設備存放不當而產生火花所造成的損害。