Ka wehe ʻana a me ka hoʻopau ʻana: Ma hope o ka maʻalili ʻana o ka hoʻoheheʻe ʻana, ua haki a wehe ʻia ka pūpū seramika, e waiho ana i ka mea kila kila. Hiki ke hana ʻia nā kaʻina hana hoʻopau ʻē aʻe e like me ka sandblasting, machining, polishing, a i ʻole ka mālama wela no ka loaʻa ʻana o ka huahana hope i makemake ʻia.