Imagwiritsa ntchito makina ozungulira, omwe amagwiritsidwa ntchito posambitsa mabotolo opanda madzi ndi madzi ndi zina. Kenako sungani mabotolo oyera kuti akhale gawo lodzaza.
Mabotolo a PET olowera kuzipangizo zamagetsi ndi matayala a nyenyezi, mabotolowo adalumikiza ndikusinthidwa kuti apange botolo. Kusamba ndi madzi otsekemera ndikutsuka bwino, kenako tembenuzirani botolo mwachangu. Main kapangidwe ndi kutsuka gawo anapangidwa ndi zosapanga dzimbiri, dongosolo yosavuta yosavuta chosinthika; Kusagwirizana pang'ono ndi botolo, lomwe lingapewe kuipitsa kwachiwiri moyenera.