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B10 B25 Ruswa-Irwanya Ikibaho Cyumuringa Wera
Iriburiro Urupapuro rwumuringa rwera ni umuringa wumuringa hamwe na nikel nkumuti nyamukuru.Isahani y'umuringa igabanijwemo ibyiciro bitanu: isahani isanzwe y'umuringa, isahani y'umuringa w'icyuma, isahani y'umuringa wa manganese, isahani y'umuringa wa zinc na plaque ya aluminium.Cupronickel ni umuringa ushingiye kumuringa hamwe na nikel nkibintu byingenzi byongera.Ni ifeza-yera kandi ifite urumuri rwinshi, bityo yitwa cupronickel.Umuringa na nikel birashobora gushonga bitagira akagero muri buri ot ...
