ʻO ke kaʻina hana kuʻi kahi ʻano hana metala maʻamau e hana ana ma nā ʻano mea like ʻole, me ke kila kalapona, ke kila galvanized, ke kila kila, ka alumini a me ke keleawe. Loaʻa i kēia mau mea ko lākou mau ʻano ponoʻī a me nā pono i ka hana ʻana i ke kahakaha ʻana.

ʻO ka mea mua, ʻo ke kila kalapona kahi mea hana punching i hoʻohana pinepine ʻia me ka hiki ke hana maikaʻi a me ka ikaika, a kūpono no ka hana ʻana i nā ʻāpana kūkulu like ʻole a me nā ʻāpana. Loaʻa i ke kila galvanized nā waiwai anti-corrosion maikaʻi loa a kūpono no ka hana ʻana i nā huahana e pono ai ke kūpaʻa i ka corrosion, e like me nā ʻāpana kaʻa a me nā pahu lako hale.

Loaʻa i ke kila kila nā ʻano o ke kūpaʻa ʻana i ka pala, ke kūpaʻa ʻana i ke ana wela kiʻekiʻe a me ke ʻano nani, a kūpono no ka hana ʻana i nā lako kīhini, nā lako pākaukau, nā mea hoʻonaninani hale a me nā huahana ʻē aʻe. He māmā ka alumini, he conductivity thermal maikaʻi a me nā waiwai mālama ʻili maikaʻi, a kūpono no ka hana ʻana i nā ʻāpana aerospace, nā ʻāpana kaʻa a me nā pahu huahana uila.

He maikaʻi ka hoʻoili uila a me ka wela o ke keleawe a kūpono ia no ka hana ʻana i nā huahana e like me nā mea hoʻohui uila, nā uea, a me nā radiator. No laila, e like me nā pono huahana like ʻole a me nā koi ʻenekinia, hiki ke koho ʻia nā mea kūpono no ka hana punching e hoʻokō ai i ka hana huahana a me nā koi maikaʻi. I nā noi hana, pono e noʻonoʻo pono ke koho ʻana i nā mea i nā mea e like me nā waiwai mechanical o ka mea, ke kūpaʻa ʻana i ka pala, ka hana hana, a me ke kumukūʻai e hōʻoia i ka hana maikaʻi loa a me ka hoʻokele waiwai o ka huahana hope loa.