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Ɣef-d i sqedceɣ n HDPE Geomembran deg tbut n tnezzayt n tbanen. 2. D acu-tt HDPE Geomembrane? 3. Ifewwlen n tmerwin n HDPE Geomembrane deg tgenyu n tnezdiyt n tneffikid 3.1 n tmeddurt n tmerwint n tnehwact n tḥebsa n tneɣla 3.3 - D uɣef 3.4 n tɣellist n tɣellist n tmeddurt 3.5 n ufess