He nui ka poʻe i ʻike i ka uea enamel ma mua, akā ʻaʻole lākou i ʻike pehea i hana ʻia ai.ʻO ka ʻoiaʻiʻo, i ka wā e hana ai i ka uea enamled, pono ia i kahi kaʻina hana paʻakikī a piha hoʻi e hoʻopau ai i nā huahana, e pili pū ana i nā ʻanuʻu o ka uku ʻana, annealing, pena, baking, cooling, a me ka makani ...
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