Ni ubuhe bwoko bw'ibyuma bifata ifuro?
Ibyuma bibyibushye birimo aluminium, nikel hamwe na alloys. Mubyongeyeho, umuringa ubira ifuro nawo ufite umwanya runaka witerambere. Ifuro ya aluminiyumu n'ibiyikoresha byoroheje muburemere kandi bifite ibiranga kwinjiza amajwi, ubushyuhe insula ...
reba ibisobanuro birambuye