Umuyoboro mwinshi wogosha wogosha (ERW) nicyapa gishyushye gishyushye gikozwe mumashini ikora, ukoresheje ingaruka zuruhu hamwe ningaruka zegeranye zumuvuduko mwinshi wumuriro kugirango ushushe kandi ushongeshe inkombe yigituba ubusa, hamwe no gusudira kumuvuduko mubikorwa bya gukanda roller Kugera kumusaruro.Uburyo bwo gusudira bwihuta cyane bwo gusudira bwakoreshejwe mugukora imiyoboro isudira mu myaka ya za 1950.Mu myaka icumi ishize, ikoranabuhanga ry’umusaruro ryarushijeho kuba ryiza, kandi ireme ry’ibicuruzwa ryakomeje kunozwa.Icya mbere nuko ubwiza bwibikoresho fatizo bikoreshwa mu musaruro wa ERW byazamutse cyane.

Icya kabiri, igenzura ryikora rya mudasobwa rigerwaho mugikorwa cyo gukora umuyoboro munini kandi uciriritse wa Calibre ERW wibyuma bivura ubushyuhe bwo gusudira, kandi ingufu zinjiza ubushyuhe mugihe cyo gusudira inshuro nyinshi zigenzurwa neza hamwe na sisitemu yindishyi zikoresha mudasobwa, kubuza gusudira ingufu zinjiza zidashobora kuba nkeya Ingaruka zo gusudira zikonje, gusudira muburyo busanzwe hamwe nubushyuhe bukabije buterwa ningufu nyinshi zinjiza.