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yada Plastic Sorting trash bin dustbins are generally divided into five types: green, yellow, red, blue and gray.

1. Red: it represents harmful substances, sometimes marked with orange. Harmful substances include waste batteries, fluorescent tubes, paints, expired medicines, cosmetics and other non-recyclable substances with certain pollution hazards.

2. Green: In the case of a combination of various plastic garbage cans, green represents kitchen waste. Kitchen waste can be used as fertilizer for plant nutrients. After the soil is buried, it can be decomposed and absorbed by natural microorganisms and plants, it plays a role in recycling waste.

3. Blue: represents recyclable waste, including materials with utilization value such as plastics, paper, metals, etc., which will be incorporated into the waste recycling system for resource disposal.

4. Gray: garbage other than harmful substances and recyclable substances, bricks and tiles, ceramics, muck and other hard-to-recycle wastes will generally be burned and buried.

5. Yellow: represents medical waste trash can, which is generally only used in hospitals, health stations and other medical places.

  Plastic Development Trend

the development direction of plastics can be summarized in two aspects. The first is to improve the performance, that is, to modify the existing varieties by various methods to improve their comprehensive performance; The second is to develop functions, that is, to develop with light, electricity, polymer materials with physical functions such as magnetism enable plastics to have photoelectric effect, thermoelectric effect, piezoelectric effect, etc.