Professor William Cullen designed a small refrigerator equipped with a pump and a chamber that contained the suction pump in the refrigerator. which finally led to the reduction of the boiling point and after this process it absorbed the heat of the surrounding environment and transferred it outside.

A user who loves the world of crypto and cryptocurrencies

Thanks for good information
36 $DEGEN for u❤️

Thanks dear for good information
46 $DEGEN for u

He gave a revolutionary invention to the people of the world🫡

The design of this refrigerator is wonderful