Usibye gukora ibinyobwa n'amazi, ugomba no gukora ibikoresho byo gupakira.Kubwamazi, ibinyobwa, byoroshye gutwara no kuzuza ibisabwa byuzuzwa neza ni icupa rya PET.Usibye gutanga ibisubizo byo kuzuza ibinyobwa bitandukanye, tunatanga imashini zo gukora amacupa ya PET kumazi, ibinyobwa cyangwa amata, hamwe nibisubizo byo gupakira ibikoresho byabugenewe inzoga, amavuta cyangwa ibicuruzwa bitandukanye bya shimi.