Fa'ailoga: Huate
Tulaga oloa: Saina
Vaega: Electromagnets
Fa'aoga: Fa'atatau mo le susū fa'asusu o u'amea vaivai fa'amaneta (fa'ata'ita'iga, hematite, limonite, specularite, manganese ore, ilmenite, chrome ore, rare earth ore) ma mo le fa'amama u'amea ma le fa'amamāina o minerale e le o ni metallic (eg, quartz, feldspar, kaolin) i si'osi'omaga faigata eseese o galuega.