TW/THW waya yakasimba kana yakasungwa, yakapfava yakavharidzirwa yemhangura yakavharidzirwa nePolyvinylchloride (PVC).
TW waya inomirira thermoplastic, waya isingapinde mumvura.
THW waya zvakare ine thermoplastic, inodzivirira mvura waya, asi inodzivirira kupisa, inoratidzwa neH muzita.