In recent years, garbage classification has become an inevitable topic in the lives of Chinese residents. It has achieved initial success in European and American countries, and more and more cities in China have joined the ranks of environmental protection. In China, garbage is divided into four categories:
Recyclable waste: Recyclable domestic garbage.
Hazardous garbage: Waste that is harmful to human health and the environment.
Household food waste: Perishable waste that contains organic matter.
Residual waste: Household garbage other than recyclables, hazardous garbage, and household food waste.