1. Red trash can: represents harmful substances, and is sometimes marked in orange. Harmful substances include waste batteries, fluorescent tubes, paints, expired drugs, cosmetics and other substances that are not recyclable and have certain pollution hazards.
2. Blue trash can: It represents recyclable garbage, including valuable substances such as plastic, paper and metal, which will be included in the waste recycling system for resource recovery.
3. Green trash can: In the case of a variety of plastic trash cans, green represents kitchen waste, which can be used as a fertilizer for plant nutrients. After being buried, it can be decomposed and absorbed by natural microorganisms and plants, playing a role in recycling waste.
4. Yellow trash can: a garbage can dedicated to medical waste, which is generally only used in hospitals, health stations and other medical places.
5. Gray trash can: garbage other than harmful substances and recyclable substances, bricks, ceramics, muck and other wastes that are difficult to recycle are generally burned and buried.
Importance of garbage classification
Reduce environmental pollution: Garbage classification can recycle useful garbage, reduce landfill and reduce environmental harm.
Raise the public's awareness of saving: Garbage sorting enables people to learn to save and use resources, develop good living habits and improve their personal quality. Save land resources: After garbage is classified, it can be recycled to reduce the amount of garbage, thus saving more land resources.