Geomembrane o se mea faʻapitoa e faʻaaogaina mo le faʻainisinia e le susu, anti-seepage, anti-corrosion, ma anti-corrosion, e masani ona faia i mea maualuga polymer e pei ole polyethylene ma polypropylene. O loʻo i ai uiga o le maualuga o le vevela, faʻafitauli matua, faʻafefe ultraviolet ...
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