D acu ay yessefk-as n PET i d-yehwawen n tmerwint? Ɣefhem n PET aɣef n PET aɣef n tnefhmeṛt n tmerwin n tmerwin n tmerwint n tmerwint n tmerwin n PET (PET)) d imesafan niḍen n tḥeqqen. Imewlen-a d-d-ttbanen n tbanen ed tnaɣen n ttnaɣen-nsent imi ay d-yettnefkt n uɣef-nsent ed tmerwin-nsent. Iyya-d ad neqded aɣilif-nni n tɣawsa