The types that can be recycled are:

1. Waste paper: including newspapers, book paper, packaging paper, office paper, advertising paper, cartons, etc., but paper towels and toilet paper are not recyclable due to their high water solubility.  

2. Plastic: including various plastic bags, plastic foam, plastic packaging, disposable plastic lunch boxes and tableware, hard plastic, etc.  

3. Glass: including glass bottles, broken glass pieces, mirrors, light bulbs and thermos.  

4. Metal: including cans, tin cans, etc.  

5. Fabrics: including old textile clothes and textile products, discarded clothes, tablecloths, face towels, school bags, etc.

Social benefits: For every ton of waste paper recycled, 850 kg of paper can be made and 300 kg of wood can be saved, reducing pollution by 74% compared with the same amount of production; every 1 ton of scrap iron and steel recycled can be smelted into 900 kg of steel, which is 47% less expensive than smelting with ore. %, reducing air pollution by 75%, water pollution and solid waste by 97%.