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Icyuma cyagutse
Icyuma cyagutse cyagutse gishobora gukoresha amasahani atandukanye yicyuma nka plaque nkeya ya karubone, ibyuma bitagira umwanda, plaque ya aluminium, amasahani yumuringa, plaque ya nikel, plaque ya magnesium, plaque ya aluminium-magnesium, nibindi nkibikoresho fatizo. Imiterere yacyo ni uko insinga nyinshi zinsinga zahujwe kugirango zibe rombus cyangwa izindi meshi.
