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) September 17, 2018
from Twitter https://twitter.com/DorMar_HVAC
September 17, 2018 at 07:15AM
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