Ibhodi engenamanzi ikwabizwa ngokuba yi-geomembrane, esetyenziselwa i-0.8mm geomembrane engqindilili ibizwa ngokuba yibhodi engenamanzi, <0.8mm ibizwa ngokuba yi-geomembrane, isekelwe kwi-polymer njengesiseko sezinto eziluhlaza ezenziwe ngezinto ezichasene ne-seepage, zahlulwe kwibhodi engenamanzi kunye ne-composite. ibhodi engenamanzi.