I te whakauru i nga taera porcelain i runga i te raima raima, he mea nui te patai o te parewai. Ahakoa he waikore te wai a Porocelain, ko te raima i raro i a raatau he porous me te whakaraerae ki te makuku i te makuku. Ma tenei tuhinga e huri ai te take he mea nui te parewai, he mea taipitopito