Molao-motheo oa theknoloji ea RO ke hore tlas'a ketso ea khatello e phahameng ea osmotic ho feta tharollo, lisebelisoa tsa metsi tsa RO li tla siea lintho tsena le metsi ho ea ka lintho tse ling li ke ke tsa feta ka har'a lera la semi-permeable.