ʻO ke kila kila kila, ʻo ia ka ʻāpana ʻāpana o ke kila, no ka mea, ʻo ka ʻāpana he huinahā i kapa ʻia ʻo ka paipu huinahā.ʻO ka nui o nā pipelines i hoʻohana ʻia no ka lawe ʻana i nā wai, e like me ka aila, ke kinoea maoli, ka wai, ke kinoea, ka mahu, a me nā mea ʻē aʻe. ka hana ʻana i nā ʻāpana mechanical a me nā hale ʻenekinia.