Ko e ha ʻoku fie maʻu ai ke fakamafanaʻi ʻa e valitaa

ʻOku fakafaingofuaʻi ʻe he valitaa ʻa ʻene feʻaveʻaki ki he meʻangaue kamakamata, fakalahi hono fluidity.

ʻOku hanga ʻe he lahi ange ko ʻeni ʻo fakaʻata ʻa e valitaa ke hafu ki he ngaahi avaava mo e fanga kiʻi avaava, ʻo fakaleleiʻi ai ʻa e ngaahi meʻa waterproofing ʻe malava.