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The ideas are great, What about using them to help people
A sign is an ideal language for dealing with deaf and dumb people, but what about those who don't know the sign language, and then it's going to be difficult to deal with them. …
Human thermostat
The thermostat is one of the most important organs of the body and its structure and the nature of its work varies from organism to organism; where it is found in the human body and is considered the basis of human adaptation to the enviro…