Kwihlabathi lethu elikhawulezayo, apho ukuqhubela phambili kwezobuchwepheshe kuyalela isingqisho, ishishini le-HVAC (Ukufudumeza, ukuPhumelela, kunye nokuPholisa umoya) ligcina isingqi, lityhala rhoqo imida yokuqalisa izinto ezintsha. Enye into ebalulekileyo kwi...
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