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Geomembrane waa walxo geosynthetic ah oo muhiim ah oo ugu horreyn loo isticmaalo si looga hortago soo dhexgalka dareeraha ama gaaska iyo bixinta caqabad jireed. Caadi ahaan waxa laga sameeyaa filim caag ah, sida polyetylen cufnaanta sare leh (HDPE), polyetylen cufnaanta hoose (LDPE), cufnaanta hooseSii akhri»