I le matata o metallurgy, e faʻaaogaina afi eletise i le tele o meafaigaluega ma masini e lagolago ai le gaosiga o uʻamea ma gaosiga. O afi eletise e iai sona sao taua i le gaosiga o uʻamea aʻo latou aveina le tele o mea faigaluega, e aofia ai ogaumu liusuavai, masini taʻavale, masini malulu, ma fusipaʻu. O nei mea faigaluega e manaʻomia ituaiga eseese ma le tele o afi eletise e faʻafetaui ai o latou manaʻoga manaʻomia.
O afi eletise o loʻo faʻaaogaina lautele i le fanua uʻamea, e pei o: mea faʻafefeteina (e faʻauluina ai le faʻaogaina o ogaumu, faʻamamaina, ma isi), masini taʻavale (e tuʻuina atu ai le mana mo vili vili, ma isi), faʻaogaina o mea, faʻafefe ma le pefu. (ia mautinoa o le siosiomaga galue o le ea ma le pefu e aveesea meafaigaluega e faagaoioia lelei), meafaigaluega pamu (e pei o pamu taamilo, pamu fafaga), ili olo malulu (ia mautinoa o loʻo galue lelei le faiga malulu), faʻafefiloi meafaigaluega, sii aʻe. masini, mea faigaluega mo le puipuiga o le siosiomaga ( Ta'avale kesi fa'avevela, togafiti otaota ma isi mea faigaluega).
O nei talosaga e faʻaleleia atili ai le gaosiga o le gaosiga o metallurgical, otometi ma le faʻasaoina o le malosi, faʻaleleia le lelei o oloa ma le gaosiga. O le faʻatinoga ma le faʻatuatuaina o afi o loʻo i ai se sao taua i le sologa lelei o le faʻagasologa o metallurgical.