Tuɣalent-d akk tewsatin-agi ilmend n wayen yellan deg wannar d amaynut, maca nufa-d ungal d tmedyazt yettwacnan ṭṭfen amkan s tahri aladɣa deg uɣmis yettwarun. Llan azal n 2% n wid ur d-nerri ara ɣef usteqsi-agi.