ʻO kahi mea hana hana nui o ka mea haki neaa, hoʻohana i ka aila kaomi i hāʻawi ʻia e ka pauma paila o ka ʻeli a i ʻole ka mea hoʻouka, hiki ke hoʻomaʻemaʻe pono i nā pōhaku lana a me ka lepo i nā māwae o ka pōhaku i ka hana kahua o ka hale. Hoʻohana ʻia ia me nā mea eli elike me ka elike elike. Hiki ke hoʻohana ākea ʻia i ka metallurgy, mining, alahao, alaloa, kūkulu a me nā kahua kūkulu ʻē aʻe a i ʻole nā kaʻina hana. Hiki iā ia ke maina i nā mea paʻakikī e like me nā pōhaku, nā pōhaku paʻa, nā paukū sima, a me nā hale kahiko. Hiki ke hoʻohana ʻia ka hana haki a me ka hemo ʻana no nā hana kikoʻī e like me ka riveting, derusting, vibrating, tamping, piling, a me nā mea ʻē aʻe e ka hoʻololi ʻana i nā koʻokoʻo drill, he mea maʻalahi loa ia. Me nā maikaʻi o ka palekana a me ka pono, ua hoʻohana ākea ka mea haki i ka lua o ka wāwahi ʻana i nā wahi mining, e hoʻololi mālie nei i ka lua o ka pahū no ka nui o ka wāwahi. I nā hana mining, ke noi ʻana o nā mea haki neaa ma lalo o kekahi mau kūlana kūikawā e hōʻike i nā pono kūikawā, keu hoʻi i ka mining mining a me nā hana mining maina ʻole. He ʻano hou ia o ke ʻano hana mining.
