What is the symbol for classified trash cans?

The colors and markings of classified trash cans represent the following:

1. Red

Red represents hazardous waste. Hazardous substances include waste batteries, fluorescent lamps, paint, expired medicines, cosmetics, etc. that are not recyclable and carry certain pollution hazards.

2. Green

Green represents kitchen waste. Food waste can be used as fertilizer for plant nutrients. After being buried in the soil, it can be decomposed and absorbed by natural microorganisms and plants, thus reusing the waste.

3. Blue

Blue represents recyclable waste, including plastics, paper, metals and other valuable materials, which will be included in the waste recycling system. Used for resource recycling and disposal.

4. Gray

In addition to hazardous materials and recyclable materials, waste that is difficult to recycle, such as bricks, ceramics, and dirt, will generally be incinerated. Burial etc. Extended information

The significance of garbage classification:

1. Reduce environmental pollution

Since our country’s garbage is not classified, modern garbage contains chemical substances, and some It will lead to an increase in the incidence of disease in people. If the waste is disposed of by landfill or stacking.

Even if the garbage is landfilled far away from living places and corresponding isolation technology is adopted, it is difficult to prevent the penetration of harmful substances. These harmful substances will enter the entire ecosystem along with the cycle of the earth, causing pollution. Water sources and land, through plants or animals, ultimately affect people's health. ?

2. Save land resources

Garbage disposal methods such as landfill and garbage stacking occupy land resources. Landfills are irrecoverable places, that is, landfills cannot Repurposed as a living quarter. Moreover, some substances in domestic waste are not easily degraded, causing serious erosion of the land. Classify the garbage, remove recyclable and non-degradable materials, and reduce the amount of garbage by more than 60%.

3. Utilization of renewable resources

The generation of garbage is due to people not making good use of resources and discarding the resources they do not use as garbage. This method of discarding resources has a negative impact on the entire ecology. The losses to the system are immeasurable.

Before garbage disposal, through garbage classification and recycling, garbage can be turned into treasure. For example, recycling paper can protect forests and reduce the waste of forest resources; recycling biological waste such as peels and vegetables can be used as green Fertilizer makes the land more fertile.