All warehouse staff must wear a safety helmet when operating the forklifts.

所有倉庫員工在操作堆高機時,都必須戴上安全帽。

The bike rental shop includes a free helmet with every tour package this summer.

這家自行車租借店今年夏天的每個旅遊套裝行程都附贈一頂免費安全帽。

A customer called to request a refund for a cracked helmet delivered last week.

一位顧客來電,要求為上週送達的一頂破裂頭盔辦理退款。