ʻO ka hoʻopaʻa ʻana metala kahi hana e hoʻokomo ai i kahi ʻāpana metala ma luna o ka ʻili o kekahi mea ʻē aʻe. Hana ʻia kēia no nā kumu like ʻole, me ka hoʻomaikaʻi ʻana i ka helehelena, ka hoʻonui ʻana i ka pale ʻana i ka corrosion, ka hāʻawi ʻana i ke kūpaʻa ʻaʻahu, a me ka ʻae ʻana i ka conductivity maikaʻi. Nui nā ʻano like ʻole ...
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