Ilahleko yenqanaba lesithathu lemoto ye-AC inokwahlulwa ibe yilahleko yobhedu, ilahleko yealuminiyam, ilahleko yentsimbi, ilahleko elahlekileyo, kunye nokulahleka ngumoya. Ezokuqala ezine zilahleko zokufudumeza, kwaye isixa sibizwa ngokuba yilahleko yokufudumeza ngokupheleleyo. Ubungakanani bokulahleka kobhedu, ilahleko yealuminiyam, ilahleko yentsimbi kunye nelahleko elahlekileyo kwilahleko yobushushu iyonke ibonakaliswa...
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