Yini i-vacuum cooler?
ubuchwepheshe bokupholisa i-vacuum buhlukile kumishini evamile yesiqandisi, iyimishini yokucubungula epholile, enezinzuzo zokupholisa ezisheshayo, ezifanayo nezihlanzekile.Ukwehliswa kwezinga lokushisa nge-vacuum cooler kufinyelelwa ngokuhwamuka okusheshayo kwamanzi lapho umfutho womkhathi ongaphakathi kwegumbi wehliswa yiphampu ye-vacuum.Ngokuvamile, kuthatha imizuzu engu-30 kuphela ukufinyelela izinga lokushisa eliphezulu lesitoreji mayelana nama-degree angu-5.