Iishelufu zensimbi ze-angle zizixhobo eziqhelekileyo zokugcina, ezisetyenziswa ngokubanzi kwiindawo zokugcina iimpahla, iivenkile ezinkulu, iifektri kunye nezinye iindawo.Yenziwe ngentsimbi ye-angle, eneempawu zesakhiwo esizinzile kunye nomthamo oqinileyo wokuthwala umthwalo, kwaye inokugcina ngokufanelekileyo kwaye ibonise izinto ezahlukeneyo ...
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