1.Bikwiriye kumurika fibre chimique ya polyester, nylon na polyprolylene.
2.Bikwiriye kwera no kumurika plastike ya polypropilene, PVC ikomeye, ABS, EVA, polystirene, polyakarubone, nibindi.
3.Bisaba kongerwaho muri polymerizasiyo rusange ya polyester na nylon.