He mea hanga te Uera Waahanga Copper Core ki te kotahi, e rua ranei nga kaikawe pokapū totoka, he parahi ngoikore ranei, me te PVC, te XLPE ranei, te kaikawe o waho he maha nga waea parahi ngawari kua paehia ki roto i te torino me te pango pango o waho ka taea te hanga ki te PVC, polyethylene thermoplastic. XLPE ranei.