rw
Ibyuma bishyushye byashyizwe ahantu nibintu byingenzi mubikoresho byubaka no gushushanya, cyane cyane mubice byo kubaka ibyuma nibintu byubatswe. Izi coil ikorwa binyuze muburyo bukubiyemo kwibiza ibyuma muri zinc yashongeshejwe. Ubu buryo butera imyenda ikomeye, irwanya ruswa yongerera cyane ubuzima bwibyuma, ikorwa