1, nā kumukūʻai lapaʻau haʻahaʻa: ke kumukūʻai o ka hoʻoluʻu welaka pā kihi kila galvanizedʻoi aku ka haʻahaʻa o ka pale ʻana ma mua o ke kumukūʻai o nā uhi pena ʻē aʻe;
2, paʻa: ʻO ke kila kila galvanized wela-dip he mau ʻano o ka luster ʻili, papa zinc like, ʻaʻohe leakage plating, ʻaʻohe drip, pipili ikaika, kūpaʻa ikaika i ka corrosion, ma ke kaiapuni suburban, hiki ke mālama ʻia ka mānoanoa pale ʻana i ka popo galvanized wela-dip maʻamau no 50 mau makahiki me ka ʻole o ka hoʻoponopono ʻana; Ma nā wahi kūlanakauhale a i ʻole ma waho, hiki ke mālama ʻia ka papa anti-rust galvanized wela-dip maʻamau no 20 mau makahiki me ka ʻole o ka hoʻoponopono ʻana;
3, hilinaʻi maikaʻi: ʻo ka papa galvanized a me ke kila he hui metallurgical, lilo i ʻāpana o ka ʻili kila, no laila ʻoi aku ka hilinaʻi o ka lōʻihi o ka uhi ʻana;