1. ʻO ke kila kila kiʻekiʻe, ke ola lōʻihi. ʻO nā mea nui a pau he wela wela ma hope o ka mālama ʻana e like me nā kūlana ʻEulopa e hōʻoia i ka pale ʻana i ka corrosion
2. Ka hale hana mua. Hiki ke hōʻuluʻulu maʻalahi nā ʻāpana āpau ma ka pūnaewele me nā mea hoʻohui a me nā bolts a me nā nati me ka ʻole o nā welds e hōʻino i ka uhi zinc ma luna o ka mea, no laila e hōʻoiaʻiʻo ai i ka pale ʻana i ka corrosion maikaʻi loa. Hana maʻamau o kēlā me kēia ʻāpana
3. Hoʻonohonoho hoʻoheheʻe ʻana: mīkini ʻōwili kiʻiʻoniʻoni a ʻaʻohe puka