Hoʻohanaʻia nā mea kūʻai aku i nā mea kūʻai aku no ka paleʻana o ka corrosione. Nā mea kū'ē i ka hilinaʻi kaulana,ʻaʻole ikaika nā mea kanu lole, akā hana lākou i nā pale a me keʻano. ʻO nā mea kanu kila, nā bolts, nā bolts, nā screws a me nā mea kūʻai aku e lilo i koho mua i ka wā e hakakā ai nā mea paʻa o nā puka o waho ʻO ka hoʻopauʻana o ka mea kila kila e hilinaʻi nei i ka nui o ka chromium i loko o ka waihona.