Ibisobanuro birambuye
Imitako yubatswe: urukuta rwicyatsi kibisi rugabanya umwanda, mugihe amabuye akoreshwa mubishusho kugirango azamure imiterere karemano. icyatsi kibangikanye nijwi ryiza nka silver yera nicyera cyinshi byongera kijyambere, kandi bigahuzwa nijwi rishyushye nkumuhondo wizahabu nibara ryibiti, byerekana ubuzima busanzwe. Kwiyuzuzamo kwinshi bituma kugaragara neza.