1, recyclable garbage, recyclable garbage cans are blue in color, mainly including waste paper, plastic, glass, metal and fabric of the five kinds of recyclable waste, will be collected and classified, not only to protect the environment, but also can be used for waste.

2, other garbage, other garbage cans color is yellow, also called dry garbage, mainly including the dirt, paper towels and other difficult to recycle waste, as well as daily clean up of the room generated by the dust, or left behind food bags. There are many different types of dry garbage, and you need to know them systematically so that you don't misclassify them.

3. Hazardous waste, the color of the trash can representing hazardous waste is red. Hazardous waste mainly includes waste that can harm human health or the natural environment, or has the potential to do so, such as hazardous heavy metals, discarded chemicals and so on.

4, food waste, food waste, also called wet waste, the color of the trash can is green. Kitchen waste is mainly generated in the catering space, including fruit and vegetable peelings, leftovers and other food waste, which can be collected and sorted for composting.