ʻO ka paipu kila kila he ʻāpana puʻu o ke kila pōʻai, hoʻohana nui ʻia i ka ʻaila, kemika, ka lāʻau lapaʻau, ka meaʻai, ka ʻoihana māmā, nā mea hana mechanical a me nā ʻāpana ʻenehana ʻoihana a me nā ʻāpana hana mechanical.Eia kekahi, ma ka like like, ka ikaika torsional, ka paona māmā, no laila hoʻohana nui ʻia i ka hana ʻana i nā ʻāpana mīkini a me nā hale ʻenekinia.Hoʻohana mau ʻia ʻo ia e like me nā lako a me nā lako kīhini.