Umzi-mveliso uthengisa ngokuthe ngqo i-28 yetyhubhu ebhityileyo yokuchongwa kweplastiki yentsimbi yesincedisi senkqubo yetyhubhu ebhityileyo.
Singumvelisi weplastiki edibeneyo yenkqubo edibeneyo yombhobho. Iimveliso zethu zithengiswa ngokuthe ngqo kwiifektri. Ngamaxabiso aphantsi kunye nokuthunyelwa okukhulu, silona khetho lungcono kubathengisi.