Igikoresho cyo gukuraho BI03 gikuraho umutwe wumukara kugirango usukure uruhu rwawe urwego 3 rwokunywa rworoshye kandi rworoshye rwerekana intambwe 3 zoza umwanda wo mumaso.
BI04 isukura mumaso ikuraho umukara hamwe no guswera cyane, umutekano kandi ntibizakomeretsa uruhu rwawe murugendo rwakazi ufite kuvanaho umukara byoroshye kukwemerera guherekeza.