Isici sesihlungi sensimbi engagqwali:Isici sesihlungi sensimbi engagqwali singasetshenziswa ezinhlelweni ezihlukene, okuhlanganisa izimboni, amakhemikhali, nezimboni ezilungisa ukudla.Indawo okusetshenzwa kuyo ingasukela emazingeni okushisa aphezulu kuye komfutho ophezulu, kanye nendawo egqwala...
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