Uilapahu kilaheʻano kila ikaika kiʻekiʻe me nā mea mechanical maikaʻi loa, hiki ke hoʻokō i nā koi o ka ikaika i kaʻenehana hana. Eia kekahi, ʻoi aku ka maikaʻi o ka ʻili o ka pahu kila i hoʻopaʻa ʻia, a ʻoi aku ka maikaʻi o ka pale ʻana i ka corrosion, hiki ke hōʻoia ʻaʻole e hoʻopau ʻia ka pahu kila i ka wā lōʻihi.