Any material that can be easily recycled such as paper, glass, or metal cans will be good choices for going green. Cloth totes or string bags are green and should be used in place of plastics.
You might not think that denim, or any other cloth for that matter, would make the most ideal material to make a bracelet with.
也许你从不认为牛仔布，或与之有关的其他布料，可以成为制作手镯的理想材料。
3
Electrically conductive cloth is all very well, but the more interesting part of Dr Cui's research is that he can use the new material to make something called a supercapacitor.