I-1.Ifanelekile ukugqama kweemicu zemichiza ye-polyester, i-nylon kunye ne-polyprolylene.
2.Ifanele ukwenziwa mhlophe kunye nokukhanya kweplastiki yepolypropylene, i-PVC eqinile, i-ABS, i-EVA, i-polystyrene, i-polycarbonate, njl.
3.Iyasebenza ukuba yongezwe kwipolymerizations jikelele yepolyester kunye nenayiloni.