Mubyukuri ukoreshe ibintu, kugirango ukore ibyuma bidafite ibyuma (inkokora idafite ibyuma, inkokora ibyuma, ibyuma bitagira umuyonga, imitwe nini nini ntoya, ibyuma bitagira umuyonga, nibindi) birushijeho kuba byiza kandi biramba, hariho uburyo butandukanye bwo kuvura. Reka dukoreshe ibyuma bitagira umuyonga inkokora nkurugero rwo kumenyekanisha uburyo busanzwe bwo kuvura.