Bokosi lathu losungira makhadi a aluminiyumu ndiye malo abwino osungira makhadi.Itha kukwana makhadi a BGS SGC HGA GMA CSG PSA.Mlandu wa slab wa makadi osungidwa utha kugwiritsidwanso ntchito ngati malo osungira makhadi.
Ndife fakitale yomwe ili ndi zaka 15, yokhazikika pakupanga zinthu zosinthidwa makonda monga zikwama zodzoladzola, zodzikongoletsera, milandu ya aluminiyamu, maulendo othawa, etc.