Mefuta e fapaneng ea lihlahisoa: lesela le le leng filimi e le 'ngoe, lesela le le leng filimi e le' ngoe, filimi ea li-bubble tse ngata joalo-joalo. Litlhaloso tsa sehlahisoa: boleng ba sebaka sa yuniti 200-1600g/m2, botenya ba filimi 0.1-1.5mm, hlobolisa 0.8-6.6m Likarolo tsa sehlahisoa: drainage e kopaneng ea anti-seepage, matla a phahameng, coefficient e phahameng ea likhohlano, khanyetso ea ho phunya, ...
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