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Provide winter cold to summer . And provide hot summer to cold winter time.

Data Science

by Yasser Alkhader | Jan. 14, 2019
The idea is great. As we found a scientific method in keeping the cold in winter time to hot summer. And from the the hot summer to winter.


  • Global Innovator Jan. 28, 2019, 2:19 p.m. PST
    very old technology offered in some countries for 50 years