Ibyuma bya galvanised ni ibikoresho by'ibanze mu nganda zitandukanye, harimo ubwubatsi, ibinyabiziga, n'inganda. Izi shitingi ni impapuro zometseho zinc kugirango birinde kwangirika, bigatuma ziramba cyane kandi zitandukanye. Gusobanukirwa imitungo, uburyo bwo kubyaza umusaruro, hamwe nogukoresha ibyuma bikozwe mubyuma nibyingenzi ninganda, ababitanga, hamwe nababicuruza. Muri iyi nyandiko, tuzareba icyuma gipima ibyuma, ubwoko bwabyo, nakamaro kacyo mubice bitandukanye.
Soma Ibikurikira