Niba itegeko ryashyizwe neza, mubisanzwe bifata iminsi 7-30 yakazi kugirango itange umubare wateganijwe (> 5pc, bitewe numubare wihariye). Igihe cyo gutanga kiratandukanye ukurikije abakiriya bahisemo ubwikorezi (urugero: ubwikorezi bwikirere bwikirere, kohereza ninyanja). Iyo amasezerano yo kohereza amaze kwemezwa, burigihe duharanira igihe gito cyo kuyobora.