ʻO kekahi o nā hiʻohiʻona nui o kā mākou huahana ʻo ko mākou hiki ke hoʻolako i nā mīkini e like me nā kiʻi kikoʻī o kā mākou mea kūʻai aku. Inā makemake ʻoe i nā spur gears, nā mīkini mana kiʻekiʻe, nā mea helical, nā herringbone gears, nā ʻāpana helical pālua, nā ʻaukā apo, nā shafts a i ʻole nā ​​ʻano ʻano mea ʻē aʻe, loaʻa iā mākou ka ʻike a me nā hiki ke hoʻokō i kāu kikoʻī kikoʻī.