The first concept of #AC occurred around 500 years ago in Persia with giant wind towers.
The first concept of #AC occurred around 500 years ago in Persia with giant wind towers.
— Dor-Mar HVAC (@DorMar_HVAC) June 5, 2018
from Twitter https://twitter.com/DorMar_HVAC
June 05, 2018 at 05:45AM
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