1. Ikozwe mu rwego rwohejuru rwa aluminiyumu yerekana ifunze urupapuro rwa galvanised, rukomeye kandi ruramba;
2. Urupapuro rwicyuma rwuzuzwa nuburyo bwo gutera ifu ya electrostatike, nziza kandi yoroshye kuyisukura;
3. Igishushanyo kiremereye gitezimbere ituze;
4. Igenzura rya PLC, imikorere yizewe kandi ihamye;