1. Ngenkqubela phambili eqhubekayo yeteknoloji, iimveliso zerabha zisetyenziswe ngokubanzi kumashishini ahlukeneyo. Ucingo kunye nentambo, intambo yerabha, ibhanti lokuhambisa, ithumbu lerabha, umbhobho womoya, ibhanti lerabha, kunye neemveliso zerabha ezisetyenziswa kushishino lombane kunye nombane kufuneka zihlangabezane nenqanaba lesizwe elihambelanayo...
Funda ngokugqithisileyo