Although I am getting a little machine oil. I think it's metal.

我闻到了点机油味，我猜是金属类。

So we'll have one bin for paper, one for glass, one for metal and one for plastic?

所以，我们要有的桶子，玻，金属类和塑料类的桶子吗？

About one in four manufactured products on Earth use platinum group metals that are very expensive now but wouldn't necessarily be any more in this scenario.

地球上大约有四分之的制成品使用铂类金属，这种金属现在非常昂贵，但在这种情况下不定会更贵。

Where I live, I can recycle a lot, and I'm always very careful to separate - to split my rubbish into paper, metal, food, plastic and so on.

在我住的地方，我可以回收很多东西，而且我总是非常小心地分类——把垃圾分成类、金属类、食物类、塑料类等等。