Makinawa amagwiritsidwa ntchito kwambiri paukadaulo wodzaza botolo la PET, makinawa amatenthetsa zisoti ndi pakamwa pa botolo.
Pambuyo podzaza ndi kusindikiza, mabotolowo amasinthidwa kukhala 90 ° C ndi makinawa kuti aphwanyidwe, pakamwa ndi zisoti zidzasungidwa ndi sing'anga yake yamkati yotentha.Amagwiritsa ntchito chingwe chotumizira chomwe chili chokhazikika komanso chodalirika popanda kuwonongeka kwa botolo, liwiro la kufalitsa likhoza kusinthidwa.