1. Lay a layer of newspaper on the bottom of the plastic trash can, and put two or three bags of desiccant on the newspaper. The desiccant can absorb the moisture in the garbage, and the garbage cannot evaporate without moisture;
2. Find some worn silk stockings, put some charcoal into them to make charcoal bags, hang them on the lid of the dustbin, or stick the charcoal bags on them with adhesive tape.
