Tameɣrut n usefru d yiwen n uferdis agejdan i deg i d-ttbanent limarat n tensayit, inagmayen welhen-d belli tameɣrut n usefru aqbayli tebḍa qef sin n leṣnaf, tameɣrut tagensayt1 d tmeɣrut tanirit2, ayagi dayen ara naf yettwabderd di tezrawt n M.A. Salḥi3 d tezrawt n M. Ǧellawi, tameɣrut-agi n usefru aqbayli amensay tettemxallaf si ṣṣenf n wafir ɣer wayeḍ : deg wafir ushil bu yiwen n uḥric ad t-naf ikeffu s yiwet n tmeɣrut i ɣef yettwabna usefru (A/A/A), deg usefru (weltma) yettban-d wanect-a :