ʻO ka hana ʻana i nā ʻāpana metala ke ʻano o ka hana ʻana i nā ʻāpana a me nā hale mai nā ʻāpana metala ma o nā ʻano hana like ʻole.ʻO ka ʻoki ʻana, ka kuʻi, ka hoʻopaʻa ʻana, ka hoʻopaʻa ʻana, a me ka hui ʻana kekahi o nā ʻenehana hana ʻano metala kaulana.Hiki ke hoʻohana ʻia nā ʻāpana like ʻole o ke kila, aluminika, keleawe, keleawe, a me nā metala ʻē aʻe i nā ʻoihana like ʻole no ka hana ʻana i nā ʻāpana.
Hāʻawi ʻo Prolean i nā lawelawe hana metala maʻamau maʻamau i nā uku hoʻokūkū me nā manawa huli wikiwiki.
