Pono nā kaʻa kaʻaahi a me nā kaʻa ukana i nā waiwai mechanical kiʻekiʻe no nā ʻāpana hoʻolei a me nā ʻāpana forging, ʻoiai ʻo ka hoʻomanawanui dimensional kekahi mea nui i ka wā o ka hana. Hoʻohana nui ʻia nā ʻāpana kila, nā ʻāpana hao a me nā ʻāpana forging no nā ʻāpana aʻe i nā kaʻaahi kaʻaahi a me nā kaʻa ukana:
- - Hoʻopaʻa haʻalulu
- - Ke Kino Mea Hoʻolālā, Wedge a me Cone.
- - Nā huila
- - Pūnaehana Paʻa
- - Nā lima
- - Nā alakaʻi