I-oven ye-YY747A yohlobo lwe-802A ye-oven yebhasikithi esibhozo yimveliso yokuphucula i-oven ye-oven ye-YY802A, esetyenziselwa ukuzimisela ngokukhawuleza ukufuma kwakhona komqhaphu, uboya, isilika, ifayibha yeekhemikhali kunye nezinye iingubo kunye neemveliso ezigqityiweyo;Uvavanyo olulodwa lokubuya komswakama luthatha kuphela imizuzu engama-40, ukuphucula ngokufanelekileyo ukusebenza kakuhle.