Uili o nofoaafi uamea fa'apitoa. U'u fa'alua, uili ta'itasi ma uili e leai ni li'o e maua uma. O mea o uili e mafai ona ZG50SiMn, 65 sila, 42CrMo ma isi mea, e mafai ona faʻapipiʻiina e tusa ai ma manaʻoga o tagata faʻatau.
O le faʻaogaina o uʻamea uʻamea e faʻaaogaina lautele i alamanuia, e pei o le faʻaogaina o meafaigaluega; masini eletise; mea fa'aoga eletise; mea faigaluega vili; masini suauu, ma isi.
Fa'ailoga uamea fusi mama mama e fa'aaogaina lautele i le sima, kiln rotary, mining, si'itia, alamanuia mama, alamanuia kemikolo, felauaiga, fausiaina ma isi masini ma masini fa'aitiitiga masini.