Hana ʻia ka uea hao piʻipiʻi uila me ke kila kila maikaʻi, ma o ke kiʻi uea ʻana, ka galvanizing uea a me nā kaʻina hana ʻē aʻe. Electro galvanized hao uea i ke ʻano o ka mānoanoa kiniki ka penaʻana, maikaʻi ka popopo ia'ku, paa zinc ka penaʻana, etc. Uaʻano nui hoʻohana 'ia i loko o, kūkulu ala pa, hoʻopaʻa' ana o nā pua a me ka uea hei ulana.