Waya TW/THW bụ onye na-eduzi ọla kọpa siri ike ma ọ bụ nke tọrọ atọ, nke ejiri Polyvinylchloride (PVC) kpuchie ya.
Waya TW na-anọchite anya thermoplastic, waya na-eguzogide mmiri.
Waya THW bụkwa thermoplastic, waya na-eguzogide mmiri, mana ọ na-eguzogide okpomọkụ, nke H na-egosi n'aha.