Urudodo rwo gusudira rukozwe mu cyuma cyiza cyane binyuze mu buryo bwikora kandi buhanga bwo gusudira buhanitse, bushyizwe mu buryo butambitse kandi buhagaritse, buri muntu ku giti cye asudira kuri buri masangano. Ikoreshwa cyane mu nganda n’ubuhinzi, kubaka, gutwara no gucukura amabuye y'agaciro mu ntego zose nk'inkoko zubatswe, ibiseke by'amagi, inzitizi z'umuhanda, imiyoboro y'amazi, ecran yumye, uruzitiro…