PVC Coated Metal Flexible Conduit yathu imagulitsidwa kwambiri ku Europe, America ndi Australia, yopangidwa mwapadera kuti imange mawaya amagetsi akunja ndi zida zoteteza dera. Imathetsa zofooka za machubu okhazikika achikhalidwe monga kusasinthika bwino komanso dzimbiri mosavuta.
Ndi mafupa opindika achitsulo ndi wosanjikiza woteteza wa PVC wotuluka kunja, ngalandeyo imatha kupindika kuti ipangire mawaya osavuta-mipata yooneka ngati yapadera. PVC wosanjikiza wakunja ndi wosanjikiza madzi, sachita dzimbiri-osamva kutentha kwa UV-kuteteza ku ukalamba ndi ming'alu m'malo akunja. Chigoba chamkati chachitsulo chimatsimikizira kukana kukanikiza ndikuteteza zingwe zamkati mosatekeseka, kutsatira mosamalitsa miyezo yachitetezo chachitetezo cha kunja kwa magetsi.
Lumikizanani nafe kuti mugule zinthu zambiri komanso ntchito zosinthira makonda otumiza kunja.
