Ke kalai kila no ka makani huikau makani

ʻO ka forging kahi hana hana e pili ana i ka hana ʻana i ka metala i kahi ʻano i makemake ʻia me ka hoʻohana ʻana i nā ikaika compressive. No ka hana ʻana i ke kila, ʻo ke kaʻina hana e hoʻomehana i ke kila i kahi wela kiʻekiʻe, maʻamau ma waena o 1,100 a me 1,300 degere Celsius (2,010 a me 2,370 degere Fahrenheit), a laila hoʻohana i ka hāmare a paʻi paha e hana i ka mea i ke ʻano i makemake ʻia.

He ʻoi aku ka maikaʻi o ka forging steel ma mua o nā hana hana ʻē aʻe. Hoʻopuka ke kaʻina hana i nā ʻāpana i ʻoi aku ka ikaika a ʻoi aku ka lōʻihi ma mua o nā mea i hana ʻia e ka hoʻolei ʻana a i ʻole ka mīkini, ʻoiai ke kaʻina hana forging e hoʻohālikelike i ke ʻano o ka palaoa o ke kila a hoʻopau i nā hemahema o loko. ʻOi aku ka hilinaʻi o nā ʻāpana kila forged a ʻoi aku ka lōʻihi o ka lawelawe ʻana ma mua o nā ʻāpana i hana ʻia e nā ʻano hana ʻē aʻe.