The first concept of #airconditioning occurred around 500 years ago in Persia with giant wind towers.
The first concept of #airconditioning occurred around 500 years ago in Persia with giant wind towers.
— Dor-Mar HVAC (@DorMar_HVAC) March 12, 2018
from Twitter https://twitter.com/DorMar_HVAC
March 12, 2018 at 01:15PM
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