Uyigweba njani i-opp, cpp, bopp, VMopp, nceda ujonge okulandelayo. I-PP ligama le-polypropylene. Ngokwepropati kunye nenjongo yokusetyenziswa, iintlobo ezahlukeneyo zePP zenziwe. Ifilimu ye-CPP iphoswe ngefilimu yepolypropylene, ekwabizwa ngokuba yifilimu yepolypropylene engolulwanga, enokwahlulwa ibe yiCPP ngokubanzi (Ge...
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