Isaphulelo sika-10% Ku-oda Lakho Lamakhasimende Amasha
I-Prep U iyisitolo se-inthanethi esithandwayo, lapho kutholakala khona izinketho ezimbalwa zemikhiqizo yenhlanzeko yabafana abangenazo izinto zokwenziwa namakhemikhali ngamanani aphansi. Emikhiqizweni eveziwe eku-inthanethi iqukethe isifutho somzimba esiqabulayo, isiqedaphunga semvelo, impushana eyomile esebenzayo, izinwele + ukugeza umzimba, isoki yokugeza ezemidlalo, ukukhuhla umzimba, insipho yamalahle ...
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