Umqhubi wethusi ofakwe emathinini, onamathelisiwe, onezintambo.
Uhlobo lokuqala lwe-core: ikhebula elincane le-coaxial eline-foam pe insulation.
Uhlobo lwesibili lwe-core: ukufakelwa kwe-sr-pvc.
Ama-cores afakwe ikhebula ngaphansi kwesivikelo se-aluminiyamu mylar.
Ucingo lokukhipha amanzi olusethini noma olungenalutho.
Isivikelo sethusi esilukiwe ngethini noma esingenalutho.
Ijakethi ye-PVC.









