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Air Conditioning and Refrigeration Technology | Air conditioner, Carrier air conditioner, Heating and air conditioning
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U.S. Department of Energy on X: "#DidYouKnow the air conditioner was invented in 1902? More about the history of A/C ➡ https://t.co/ZbyOzv9in6 #ThrowbackThursday #TBT https://t.co/UKuPQSCNSs" / X
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