Hariho ubwoko bwinshi bwimigozi ihuriweho, harimo imigozi ibiri ihuriweho hamwe ninshuro eshatu zahujwe (gukaraba neza hamwe no gukaraba amasoko cyangwa gukaraba neza hamwe no gukaraba isoko) ukurikije ubwoko bwibikoresho byahujwe;Ukurikije ubwoko bwumutwe, burashobora kandi kugabanywamo ibice byo guhuza imitwe yumutwe, imashini yo guhuza imitwe ya konte, imitwe yo hanze ya mpande esheshatu, nibindi;Ukurikije ibikoresho, igabanijwemo ibyuma bya karubone, ibyuma bitagira umwanda hamwe nicyuma kivanze (Icyiciro cya 12.9).