In general, inventions are the process and result of the application of natural laws to solve specific problems in the technical field. The reason for product invention is to meet people's daily needs. Let's take a look at these 9 warm inventions to make you feel better in the world!！
When you go to the hospital for tooth extraction, the interesting picture above can distract the patient's attention and it is really warm.
The park's seat is very human, adults and children can sit！
Cigarette ballot boxes can reduce the habit of throwing cigarette butts!
Pet toilets in shopping malls～
It is not only environmentally friendly, but also allows scavengers not to search for trash🤗
Elevator that can be pressed by foot🤓
Convenient stray pets drink water🐶
