ERGONOMIC DESIGN: Hamwe nubunini bunini kandi butyaye butagira ibyuma buringaniye, dosiye yibirenge idafite ibyuma nayo iragoramye buhoro buhoro kugirango ikoreshwe ku mpande zose, byoroshye byoroshye kugera ahantu.
IBIKURIKIRA-BIKURIKIRA: Ikozwe mubyuma byabigize umwuga, dosiye yamaguru y ibirenge irashobora gukaraba kandi ikoreshwa. Kandi biroroshye kuruhu rwawe kandi bikuraho uruhu rwapfuye mubirenge byawe neza kandi bitababaje.
URUMURI. Imikoreshereze ifite umwobo wo kumanika no gukama nyuma yo kuyikoresha.
GUSHYIRA MU BIKORWA: Idosiye yumwuga idafite ibyuma ikwiranye nabagore, abagabo nabasaza bafite uruhu rukomeye kandi rwacitse kubirenge