Tfehmeḍ n tfernu n tneɣra n tebɣurat n PET deg umaḍal n uɣef-nnes, slhag deg tesdaḍt n tessit, *** tqerɣen n PET** tturar-d aɣlays ameqran. Tisafut-a d tibɣu n ttban n sɣurat n PET imeggaru ay d-twali deg tkecɣen n tmerwin. Ɣef-d ufehmeɛ n ufaɣen n tɣawsiwin-a yesɛa s kra n win ay yettekken deg tpistik ed n yimgaḍen n ufad.