MD: Aḍiḥan 4.1.2. Areṭṭal ur nettwamuzeɣ ara s lekmal - Deg wammud-nneɣ nufa-d 10 n yismawen ireṭṭalen ur nettwamuzɣara s lekmal, azal n 6.62% ,ma seg yireṭṭalen nesɛa azal n 55.55% - Ismawen ireṭṭalen d-yekkan si taɛrabt