Ke kila wiliwiliHoʻohana nui ʻia nā huahana i ke kūkulu ʻana, ʻoihana māmā, kaʻa, mahiʻai, mahiʻai holoholona, lawaiʻa a me nā ʻoihana kalepa. Hoʻohana nui ʻia ka ʻoihana hana no ka hana ʻana i nā ʻoihana anti-corrosion a me nā hale kīwila hale o ka hale, nā grilles o ka hale, a me nā mea ʻē aʻe. hoʻohana nui ʻia no ka hana ʻana i nā ʻāpana kū i ka corrosion o nā kaʻa. Hoʻohana nui ʻia ka mahiʻai, ka mahiʻai holoholona a me ka lawaiʻa e like me ka mālama ʻana i ka meaʻai a me ka halihali ʻana, ka ʻiʻo a me nā huahana wai i nā lako hana hoʻoheheʻe hau; Hoʻohana nui ʻia ka ʻoihana e like me ka mālama ʻana i nā lako a me ka lawe ʻana, nā mea hana hoʻopihapiha, etc.