Izitsha zengxenye, ezidizayinelwe izilinganiso ezinembile ezilungiselelweni zokupheka, zinikeza uhla lwezinhlelo zokusebenza eziguquguqukayo ezidlulela ngale kwenjongo yazo eyinhloko.Lawa mathuluzi anemisebenzi eminingi abaluleke kakhulu ezicini ezihlukahlukene zokulungiselela ukudla, ukugcinwa, nokwethulwa.Emakhishini ochwepheshe, ku...
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