People produce waste everyday at anytimes and anywhere.But most people in China havent formed the habit to waste sorting now. Most of us would throw,for example,plastics, papers, glass all into the same public containers, without thinking whether they are recyclable or not.But waste sorting is very important. On one hand,without sorting,some waste,such as glass,hair,batteries will remaining at the place where they were placed for a long time,as a result it will pollute the earth. So waste s
