Hoʻohana pinepine ʻia nā ʻāpana bevel spiral i nā pahu pahu ʻoihana, hoʻohana ʻia nā pahu ʻoihana me nā bevel gears i nā ʻoihana like ʻole, hoʻohana nui ʻia e hoʻololi i ka wikiwiki a me ke kuhikuhi o ka lawe ʻana.ʻO ka mea maʻamau, ʻāwili ʻia nā mea hana bevel.