Iṭij d itri d yezgan di tlemmast n wegraw aniṭij,d takurt tameqrant n gaz izeɣlen yettezzin. gravity-ines tameqrant tettaṭṭaf imtiwgen deg imeḍqan-nsen . Iṭij yettak-aɣ-d tafat d tezɣel.