Kuthandizira kukhazikitsa, Malo osaphulika amakhala ndi poyambira mkati ndi kunja. Materminal awa amapangidwira kuti azikhala ndi mawaya amkuwa a 4.0mm2, kuphatikiza zinthu zoletsa kumasuka komanso dzimbiri.
Muzochitika zogwiritsira ntchito mawaya achitsulo ndi mabokosi ogawira osanjikiza awiri osaphulika, kugwiritsa ntchito zolumikizira pansi kumakhala kosafunika.