Imeza hamwe nuruziga rusya rushobora gukenera gukurwaho ibyuma, gusibanganya, gushushanya no gukarisha. Dutanga uburyo butandukanye bwo gukuramo ibintu, bikwiranye nimashini zingana nubunini butandukanye, kandi turashobora gukenera ibikenerwa byuma byihuta byuma, ibyuma bya karubone, ibyuma bidafite fer hamwe nibikoresho bya karbide.

Intego rusange yo gusya ikwiranye nintebe yo gusya intebe, guswera nibindi bigamije rusange. Hitamo gukoresha ubuziranenge bukomeye hamwe nibikorwa byiza byo gutyaza, gushyigikira inkwano birashobora gufata neza. kandi ugere ku gipimo cyo kuvanaho no kuramba, birashobora kwemeza gusya byihuse, gusya mubushyuhe buke no kurangiza neza, kugirango tumenye neza gusya.