ʻO ka pickling piha a me ka passivation o ke kila kila, ka wehe ʻana i nā ʻaila ʻaila like ʻole, ka ʻōpala, ka ʻili oxide, nā hui solder a me nā lepo ʻē aʻe.Ma hope o ka hoʻomaʻamaʻa ʻana, he keʻokeʻo kālā keʻokeʻo ka ʻili, hoʻomaikaʻi nui i ke kūpaʻa ʻana o ke kila kila, kūpono no nā ʻāpana ʻāpana kila...
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