The power of the Green movement in Germany has made that country a leader in the drive to recycle more waste materials.

德国环保运动的力量已经使该国成了循环利用更多废料运动中的领先者。

By doing this, we want to inspire others to make their own transformers or other toys with waste materials.

通过这样做，我们想要鼓励其他人也去利用废弃材料创作自己的变形金刚或者其他玩具。

As the waste materials decompose, they produce methane gas.

废物腐烂时会产生沼气。

Waste materials can still be made use of.

废物还是可以利用。

We made some hats out of the waste materials.

我们用这些废材料制成了帽子。