Hoʻolālā ʻia no ka hana ʻana i nā ʻoihana ʻoihana, ka hana ʻana i nā hale hana liʻiliʻi a me ka waena, ka hana ʻana i nā lako paʻa, ka hana ʻana i nā ʻāpana kaʻa a me nā ʻano hana kuʻihao pepa metala like ʻole, hoʻoponopono kēia lako kuʻihao wahi kū'ē i nā pilikia maʻamau o nā mīkini kuʻihao kuʻuna e like me ke ʻano kuʻihao paʻa ʻole, ka hana haʻahaʻa, ka hoʻohana ʻana i ka ikehu kiʻekiʻe, ka hana paʻakikī a me ke ola lawelawe pōkole.
Ma ke ʻano o ka maikaʻi o ka huahana a me ke kūpaʻa, hoʻohana kēia mea hoʻoheheʻe kiko ʻoihana i ka ʻano hana kaumaha o ka ʻoihana a me nā mea maka kiʻekiʻe, me ka hana paʻa loa a paʻa. Hana ʻia ka fuselage me ka papa kila ikaika mānoanoa ma o ka hoʻoheheʻe make-casting a me ka hoʻoheheʻe ʻana, nona ka paʻakikī kiʻekiʻe, ke kūpaʻa ikaika i ka compression a me ke kūpaʻa deformation.
Hoʻohui ʻia ke kiko kuʻihao me ka ʻāpana hana metala, me ka kuʻihao paʻa a ʻaʻohe hāʻule ʻana, ka nahā ʻana a i ʻole ka hui wehe ma hope o ka hoʻohana lōʻihi, kahi e hoʻokō piha ai i nā kūlana ikaika kūkulu o nā huahana ʻoihana. Ma ke ʻano o ka hoʻohana ʻana, hiki ke hoʻohana nui ʻia ka mīkini no ka kuʻihao kiko o ka pepa hao, ka pepa kila kila, ka hui alumini, ka pepa keleawe, ka pepa galvanized a me nā mea metala hui like ʻole, e uhi ana i ka aneane o nā mea kuʻihao metala maʻamau i ka ʻoihana hana lako.