Ukuze ugcine imithwalo emikhulu kwindawo yentsimbi kunye nomsebenzi wokwakha, kufuneka ubophe imitya eyomeleleyo, ekhuselekileyo, kunye nexabiso eliphantsi. Umtya we-PET, owenziwe nge-Polyethylene Terephthalate, uye waba yimpendulo yale mihla kwaye ngoku isetyenziswa endaweni yentsimbi yokubopha iindawo zokugcina iimpahla, iiyadi zokuvelisa, kunye namaziko okuhambisa zonke.