Icyumba cyo hasi cyumuriro wamashanyarazi kuzamura ni ubwoko bwibikoresho byo guterura bifite ibyiza byo guhinduka gukomeye, umutekano mwinshi, kubungabunga byoroshye, no gukoresha byoroshye. Inyungu nini nini nuko ishobora gukoresha cyane umwanya kandi ishobora no gukoreshwa mumwanya muto. Irashobora gukora neza cyane kandi irakwiriye mugihe gifite umwanya muto wakazi.