ʻO ka mea make e hoʻohana ana i kahi kaʻina hana hana no ka hanaʻana i nā aluminim, zenisum, ka magsium, a iʻole nā mea hao keleawe. I kēia kaʻina hana, ua hōʻoleʻia ka metala molten ma lalo o ke kaomi kiʻekiʻe i loko o kahi papa kiʻekiʻe, kahi e hoʻopaʻaʻia ai a ma hope loa e hoʻohuliʻia. Pono kēiaʻano hana i ka hoʻokumuʻana o nā'āpana me nā paia palupalu, nā papa kūpono, a me nā kihi. Hāʻawiʻia i kona ikaika kiʻekiʻe, a me ka hana houʻana, a me ka hana houʻana, e make i keʻano e like me nā mea e makemake ai i nā mea i makemakeʻia a me nā pono kūpono.
E hōʻoia pono i ka maikaʻi o ke kiʻi, hana mākou i nā kikowaena manina cnc no ka pā hope loa o nā'āpana hope. Ma muli o ke noiʻana, hiki iā mākou ke hoʻohui i nā mea i hanaʻia i loko o kāu mau papaʻaina ma o nā wahi hana hou a hōʻiliʻili iā lākou i loko o nā papa hana hou a me nā hui.
E make ana nā hana i nā noi e loaʻa nā noi ma nāʻano hana likeʻole, e lawelawe ana e like me nā kuʻe, uhiʻia, nā wahi e nā pihi, a me nā awahiwa. Ke hilinaʻi nei i nā pono kūpono, hāʻawi mākou i ka make i nā papa hana i hoʻopaʻaʻia no ka paleʻana i nā corrostion
E pili ana i keʻano alloy a me ke kaʻina hana, e make i nā'āpana, e hoʻopili ana, e hoʻopili ana, popo, popo ʻO Nickel i ke kāʻei, paʻi paʻi, a iʻole paʻi paʻi.