1, red: represents harmful substances, sometimes marked with 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. Green: In the case of a variety of plastic trash cans, green represents kitchen waste, which can be used as fertilizer for plant nutrients, and can be decomposed and absorbed by natural microorganisms and plants after burial, thus playing a role in recycling waste.
3. Blue: It means recyclable garbage, including valuable materials such as plastic, paper and metal, which will be included in the waste recycling system for resource recovery.
4. Gray: In addition to harmful substances and recyclable substances, garbage, bricks, ceramics, muck and other wastes that are difficult to recycle are generally burned and buried.
5. Yellow: It represents a special garbage bin for medical waste, which is generally only used in hospitals, health stations and other medical places.
Extended data
In June+10, 2003, the state promulgated the classification mark of municipal solid waste. According to the unified sign formulated by the state, domestic garbage is divided into three categories, namely recyclables, harmful waste and other garbage. Recyclable refers to the garbage suitable for recycling and resource utilization, including paper, plastic, glass, fabric, bottles and cans, etc. , collected in blue garbage containers, while harmful waste refers to the garbage containing harmful substances that need special safety treatment, including batteries, lamps, daily chemicals, etc., collected in red garbage containers, and other garbage refers to the garbage beyond the classification range and collected in gray garbage containers.
In China, from June 5, 2003 to 10, the state promulgated the rules and regulations on domestic waste. According to the unified sign formulated by the state, domestic garbage is divided into four categories, namely recyclable garbage, non-recyclable garbage, hazardous waste garbage and other garbage. Recyclable refers to the garbage suitable for recycling and resource utilization, including paper, plastic, glass, fabric, bottles and cans, etc. , collected in the blue trash can; Harmful waste said that garbage containing harmful substances and requiring special safety treatment, including batteries, lamps, daily chemicals, etc., should be collected in red garbage containers; Other garbage refers to unclassified garbage, which is collected in gray garbage containers.
Classified trash cans are outstanding in both their real use value and practical value, as well as their quality and price. People first classify trash cans, and the classified trash cans of every family in life are unknown and selfless, and they will only appear in front of us when they are most needed at home. We have consciously regarded it as a necessity of life and a part of the family by default. Only by realizing its own value and surpassing itself can the overall transformation of classified garbage bins show its development momentum. The vast market and unlimited development potential have brought an invisible force to life and environmental protection.
Reference: Baidu Encyclopedia-Classified trash can