Gukubitani imiterere yigihe gito ikoreshwa cyane cyane mugutanga urubuga ruhamye rwakazi kubakozi mubikorwa byo kubaka, kubungabunga cyangwa gushushanya. Ubusanzwe ikozwe mu miyoboro yicyuma, ibiti cyangwa ibikoresho byinshi, kandi yarakozwe neza kandi yubatswe kugirango irebe ko ishobora kwihanganira umutwaro ukenewe mugihe cyo kubaka. Igishushanyo mbonera gishobora guhindurwa ukurikije inyubako zitandukanye zikenewe kugirango zuzuze ibisabwa bitandukanye byubwubatsi.