ʻO ka hana pololei'ano ma'amau ka 'ano kokoke i ka hope a i 'olehoʻopalekana pili. ʻAʻole ia he ʻenehana kūikawā, akā he hoʻomaʻemaʻe i nā ʻenehana i kēia manawa a hiki i kahi o kaʻāpana hoʻopunipunihiki ke hoʻohana i nā ʻāpana2cmyk me ka liʻiliʻi a i ʻole ka mīkini ma hope. Hoʻonui ka uhi ʻaʻole wale i kaʻano kalaiwaʻo ia iho akā me nā hana hoʻomaʻamaʻa mua, descaling, lubrication, a me nā hana hoʻomalu wela.

ʻO ka hoʻoholo e noihana pololeipili nā ʻenehana i ka pili waiwai o nā hana hou a me nā mea paahana vs. Ma muli o ke kiʻekiʻe o nā mea hana a me nā kumukūʻai hoʻomohala, ʻoi aku ka maʻamau o ka forging precision i nā noi kiʻekiʻe loa.