Imbaho zo mu mfuruka zigufasha gukora uruzitiro hagati y’umutwaro n’umushumi, kugira ngo umushumi ukomeze gukomezwa nta kwangirika kwabyo. Imbaho zo mu mfuruka n’izirinda imipaka bigabanya ikiguzi cyo kohereza no kwangirika kw’ibicuruzwa, bikongera kunyurwa kw’abakiriya kandi bigatanga umutwaro uhamye. Ni uburyo bwiza kandi butangiza ibidukikije bwo kugabanya umubare w’abakiriya banga kwakira abakiriya. Bushobora kandi gukoreshwa mu gushyira mu bikorwa impande z’amasanduku, amapaleti.
