Single dunguwa yawanci aka raba zuwa uku sassa a kan ingantaccen tsawon, da dunguwa diamita girman dunguwa nisan zurfin dunguwa ƙayyade uku ingantaccen tsawon, yawanci da kowane kashi uku raba. Kayan da aka bukata a nan ba za a iya plasticizing ba, amma don pre-dumama, matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa matsa Sashe na biyu da ake kira matsawa sashe, a wannan lokacin da dunƙule girman daga babban a hankali karami, da kuma zafin jiki ya kai kayan plasticization matakin, a nan samar da matsawa ta jigilar sashe na uku, a nan matsawa zuwa daya, wannan da ake kira dunƙule matsawa rabo - 3: 1, wasu inji ma da canji, kammala plasticization kayan shiga sashe na uku. Saki na uku shi ne ma'auni sashi, a nan kayan kiyaye plasticizing zafin jiki, kawai kamar ma'auni famfo kamar yadda daidai, adadin jigilar narkewa kayan don samar da kai, a wannan lokacin zafin jiki ba zai iya kasa da plasticizing zafin jiki, gabaɗaya kadan mafi girma.