PVC iɣef n waman-nnek: Tiɣbut n tnebbit n tnebbit n tmerwint n tmerwin. sseqdec-d n PVC n tmeddurt n waman n tmeddurt 2.1 n tmeddurt n tmeddurt n tmeddurt n tmeddurt y deg usemsawa 3. amek ara tt-id n PVC n waman n waman-nsent. Tismit n 4.2 n tneɣlin