ʻO ka pepa kila hoʻoheheʻe ʻia, ʻike ʻia hoʻi ʻo ka pepa galvanized a i ʻole ka ʻili hao keʻokeʻo, he ʻāpana kila hoʻoheheʻe wela wela a me ke kāʻei.He nani ka ʻili o ka pā kila, me ke ʻano aniani a i ʻole ka lau zinc.Paʻa ka zinc coating a maikaʻi loa ka pale ʻana i ka corrosion o ka lewa.I ka manawa like, ua maikaʻi ka hana kuʻi ʻana o ka pā kila a me ke anuanu.
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