Ka ho kopanya li-linm tse fapaneng tsa thermoplastic tse kang PVC, CPVC, PP, PE, PVDF le HDPE le polasetiki e matlafalitsoeng ea fiberglass (FRP), Jrain e fana ka tharollo bakeng sa libaka tse futhumetseng haholo le tse senyehang.
Boholo: ha bo felle feela ka hlobo kapa li-mandrels tse fumanehang, boholo bo ka khethoa hore bo lumellane le litlhoko tsa kopo ka nepo.