Tameùrut deg usefru n Ëafûi, ur txulef ara tameùrut iùef yettwabna usefru amensay, tettemxalaf si ûûenf n wafir ùer wayev : Deg wafir bu snat tseddarin, ttilint-d snat tmeùrutin : Tamaùrut tagensayt n tseddart tamenzut i d-yettuùalen di tseddarin timenza n yifyar i d-irennun. Tameùrut tanirit n tseddart tis snat i swayed keffun merra yifyar n usefru (AB/AB/AB… ). Deg wafir bu tlata n tseddarin, ttilint-d tlata tmeùrutin, snat d tigensayin, yiwet d tanirit(AAB/AAB/AAB…). Nvam-agi n tmeùrut d netta i d lesas i ùef tbennu Ëafûi tamedyazt-is, tuget n yisefra n wammud-ines ttwabnan ùef nvam-agi n yifyar ikeffun s tlata tmeùrutin.