Intshayelelo: Iiflange zentsimbi zizinto ezibalulekileyo ezisetyenziselwa ukudibanisa imibhobho, iivalvu, iimpompo, kunye nezinye izixhobo kumashishini ahlukeneyo. Banikezela ngoqhagamshelwano olukhuselekileyo kunye nokuvuza, ukuqinisekisa ukusebenza ngokufanelekileyo kunye nokuthembeka kweenkqubo ezahlukeneyo. Nangona kunjalo, kubalulekile ukuqonda ukuba ukwahluka ...
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