1. Yoyenera kuunika ulusi wa mankhwala a polyester, nayiloni ndi polyprolylene.
2. Yoyenera kuyeretsa ndi kuunikira pulasitiki ya polypropylene, PVC yolimba, ABS, EVA, polystyrene, polycarbonate, ndi zina zotero.
3. Iyenera kuwonjezeredwa mu ma polymerizations ambiri a polyester ndi nayiloni.