Hoʻohana ʻia ka laina ʻokiʻoki no ka uncoiling, leveling, sizing, ʻoki ʻia i loko o nā ʻāpana pālahalaha o ka lōʻihi i makemake ʻia a hoʻopaʻa i nā wili metala.He kūpono ia no ka ʻoki ʻoki ʻana i ka lōʻihi no ka hana ʻana i ke kila kalapona i ʻōwili ʻia a wela, ke kila silika, tinplate, ke kila kila a me nā mea metala like ʻole ma hope o ka uhi ʻana o ka ʻili. ʻO ka trolley hānai, uncoiler, mīkini pae, ʻano hana hānai, mīkini ʻāhi, mea lawe, mea hoʻopaʻa, a me nā mea ʻē aʻe. Hiki ke hoʻonohonoho ʻia kahi mīkini ʻokiʻoki i ka laina hana e ʻoki i nā lau i nā laula e pono ai, e ʻoki iā lākou i ka lōʻihi a hoʻopaʻa iā lākou.He huahana hana kiʻekiʻe e hoʻohui ana i nā mīkini, ka uila a me ka hydraulic.Kiʻekiʻe paʻa-lōʻihi pololei, kiʻekiʻe pepa palahalaha, a me ka maʻemaʻe ahu.