Faigofie fausiaina, faigofie uelo.
Lelei tele faigata, tau tetee, maualalo le tetee tetee.
Tulaga tutoʻatasi bubble fausaga, maualalo luga vai fua faatatau mitiia, ma lelei permeability.
Teteʻe tetee i soli soli e pei o acid, alkali, masima, suauʻu, ma isi.
Lelei aneti-seepage faatinoga ma maualuga pa pupuni meatotino.