What kind of rubbish does the discarded key belong to?

Recyclable garbage is recyclable garbage. Paper, cardboard, glass, plastic, metal and plastic packaging, reusable itself or materials, such as newspapers, magazines, advertisements and other clean paper-related materials can be recycled.

Keys are common unlocking tools in people's lives. The main materials for making keys are copper, zinc, aluminum, iron and other metals. Keys were invented later than locks and appeared in ancient Egypt 4000 years ago.

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Precautions:

When putting recyclable garbage, put it down gently, and then it is best to dry it to avoid polluting recyclable garbage. The waste paper in the garbage must be leveled when handling, and the waste paper box must be squashed when handling, and then tidied up. It's best to tie the boxes together with rope.

The implementation of garbage classification will be of great benefit to mankind, which can make full use of the value of garbage and promote the sustainable development of resources. Nowadays, the environmental pollution of the earth is more and more serious, and the implementation of garbage classification will also play a great role in promoting the environmental beautification of the earth. The implementation of garbage classification can also reduce the production cost of garbage disposal and save a lot of land.

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