The supplier raised aluminium prices by eight percent due to higher shipping costs.

由於運費上漲，供應商將鋁的價格調高了百分之八。

Please confirm whether the laptop casing is made of aluminium or plastic.

請確認這台筆電的外殼是鋁製還是塑膠製的。

Our new office chairs have lightweight aluminium frames that are easy to move.

我們新的辦公椅採用輕量鋁框架，搬動起來很方便。