1. Ifanelekile kwiindawo ezinkulu, eziphakathi kunye nezinkulu kakhulu ezenziwe ngumbumba.Uninzi lwenkqubo yokwenza iplastiki, kuyo yonke inkqubo yokwenziwa, iplastiki kunye neqokobhe lokungunda ziphantsi koxinzelelo oluphezulu kakhulu lokusebenza (uxinzelelo lokusebenza), njengokusetyenziswa kwenaliti eqhelekileyo yokubumba ipro...
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