Nā hiʻohiʻona o nā hanana Wīwī:
1. Hāʻawi i nā hōʻemi hōʻemi nui no kahi wahi kikowaena i hāʻawiʻia
2. Hana a me keʻano o keʻano
3
Worm gear hana hana:
ʻO nā'āpanaʻelua o nā mea kanu o ka worm a me nā mea hana i hanaʻia kekahi i kekahi; Hiki ke manaʻoʻia ka wī ma keʻano he helix me kahi niho hoʻokahilawai, akā, e hoʻopuni ana kona mau niho i ka wī. I ka wā o ke alohaʻana, e hoʻoneʻeʻia kekahi o ka worm i ka huila o ka wīwī