Chopangidwa ndi aluminiyumu ya danga, chosungiramo ndi anti-corrosion komanso dzimbiri.
Palibe kubowola / kubowola mitundu iwiri yoyika.Ngati simukufuna kuwononga khoma ndiye kuti mutha kugwiritsa ntchito guluu kuyika, osafunikira kubowola.
Guluuyo ali ndi zomatira zolimba komanso mawonekedwe osalowa madzi, kuonetsetsa bata.
Kwezani malo osagwiritsidwa ntchito pakhoma m'bafa, zimbudzi, ndi zina.
Chonde amamatireni pamalo osalala ndi owuma monga matailosi, mabulo, galasi, matabwa pamwamba, zitsulo pamwamba, ndi zina zotero, kenako akanikizire kwa masekondi angapo.