Sunnatov Zafar Ubaidullaevich; Norinov Fakhrier Kurbonovich; Rakhmonkulov Murod Turdialievich; Boykobilova Makhliyo Makhmudovna. METHODS FOR INCREASING THE EFFICIENCY OF AIR COOLING DEVICES. IEJRD - International Multidisciplinary Journal 2021, 6, 3.