Maɣef ay tettfermt i usenɣa-nnek n Ddukka n Ddan i d-itteddun? Iseb n yigengen n yeḥwaj ad tferren n lebda n lebda akken ad d-yessefken n ttbanen, n tḥebsa-d, d aɣli-d d uɣli. Seg wamlalen n ufranen ay d-yegzan deg wuluz, ** Ippuben n FRRP** (Fiberglass Reinforced Polypropylen) D yiwen seg ufranen n ufranen akk n tbant tatrad. Amagrad-a yessefk-d s uɣef n yibrayin n FRPP d aɣen n yimdud n FRPP.