Sisitemu yo gutondekanya umuyaga-udashobora kwihagararaho Urugi rwihuta rutanga imikorere ikora neza kandi yoroshye yo guterura, bigatuma biba byiza gukoreshwa kenshi mubidukikije. Sisitemu nayo ibika umwanya, nkuko umwenda ushobora kuzingirwa neza hejuru yundi, ugakora stack yemeza ko ubugari ntarengwa bwo gufungura bugumaho, butanga uburyo bworoshye kuri forklifts nibindi bikoresho.