Tensioners
(tensioner 的復數) n. 拉緊器, 張緊裝置；皮帶張力器
??? 情景例句
If it is caused by the transportation?
如果是由運輸造成的呢？
Old birds are not caught with new nests.
新巢捉不到老鳥。
Though they are running out of food and drink, the men are cheerful and confident that they will soon get out.
雖然他們的食物和飲料都快消耗盡了，但這些人的心情很好，堅信他們很快就會出去。