The manufacturer recalled the heaters after customers raised concerns about their safety.

顧客對暖氣機的安全性提出疑慮後，製造商便將其召回。

Before signing the contract, we need proof of the chemical's safety for warehouse storage.

簽約之前，我們需要該化學品存放於倉庫時的安全性證明。

The airline confirmed the safety of its new seats after months of crash testing.

經過數月的碰撞測試，航空公司確認了新座椅的安全性。