Material Chemistry:Recycling Processes
There are several reasons for recycling the waste: first, we don't have enough space to store the waste that increases every day; second, recycling the waste helps to save raw materials; third, energy is saved using recycled goods. Saving energy is better than using it. In the program, we'll visit some recycling factories and see how they deal with waste.
- Added：2006
- Country：Australia
- Duration：22
- Time of update：2011/3/11 15:03:55