ʻO ka lawelawe ʻoki metala e pili ana i ka lawelawe o ka hoʻolako ʻana i ka ʻoki a me ka hana ʻana i nā mea metala. Hāʻawi pinepine ʻia kēia lawelawe e nā mea kanu metala ʻoihana a i ʻole nā mea kanu hana. Hiki ke hanaʻia kaʻokiʻana me nāʻano likeʻole, e like me kaʻokiʻana i ka laser, kaʻoki plasma, kaʻoki wai, a me nā mea'ē aʻe.
Hiki i nā lawelawe ʻoki metala ke hoʻokō maʻamau i nā pono o nā mea kūʻai aku no nā ʻāpana metala like ʻole, me ka ʻoki ʻana a me ka hana ʻana i nā mea e like me ke kila, aluminika, a me ke kila kila. Hiki i nā mea kūʻai ke hāʻawi aku i nā mea lawelawe ʻoki metala e hana e like me kā lākou mau kiʻi hoʻolālā ponoʻī a i ʻole nā koi e kiʻi i nā ʻāpana metala e kūpono i ko lākou pono.