O le fale fa'amama fa'ameamea e aofia ai le fa'amama fa'amama fa'ameamea ma fale fa'amama uamea, fa'apipi'i fa'atasi ma masini fa'amama fa'ato'a tasi po'o tele-autu. E mafai ona faamama ese vaega ma siama i luga aʻe o le 0.1μm i le vai ma le kesi, ma e iloga i le maualuga filtration saʻo, saoasaoa filtration saoasaoa, itiiti adsorption, acid ma alkali tetee corrosion, ma le faagaoioiga faigofie.