Ko te raupapa CT he extruder tīwiri kotahi mo te hangarua tawerewere PET.Ko te hoahoa o te raina whakakikorua o te PET flakes hei whakakotahitanga o te extruder tīwiri kotahi me te punaha korehau tino pai e whakamaarama ana i te katoa o nga mahi, engari ka mau tonu nga pire whakamutunga ki te kounga pai.