Green represents kitchen waste, which can be used as fertilizer for plant nutrients. After being buried in soil, it can be decomposed and absorbed by natural microorganisms and plants, and it plays a role in recycling waste.
Blue represents recyclable garbage, including valuable substances such as plastic, paper and metal, which will be incorporated into the waste recovery system for resource recovery.
Other rubbish includes building dregs, ceramics, toilet waste paper, paper towels, food bags, dust, etc. Can be landfilled, and other garbage can be put into the gray trash can.
Hazardous wastes include heavy metals that are toxic and harmful to human body, and some wastes that are harmful to the environment, including batteries, lamps, light bulbs, paint buckets, some household appliances, expired drugs, daily chemicals, etc. Toxic harmful waste is packed in a red trash can.
Yellow represents a special garbage bin for medical waste, which is generally only used in hospitals, health stations and other medical places.