Ibice byububiko birinda byateguwe no gushushanya inshundura cyangwa kubitunganya, kandi bifite ibyiringiro byinshi mubikorwa byinshi nko mu kirere, ibikoresho bya gisirikare hamwe nikoranabuhanga rya elegitoronike ukoresheje ibintu byiza bikurura ingufu kandi byogosha bya aluminiyumu.