E faʻaaogaina muamua mo oloa oomi e pei o vaega o uʻamea pauta, keramika eletise, pauta eleele seasea, silicon carbide, mea faʻamaneta ferrite, ma le graphite, ma e mafai ona faʻaaogaina lautele i alamanuia e aofia ai taʻavale, vaʻalele, fau vaʻa, nofoaafi saoasaoa maualuga, meafaigaluega masini, masini eletise i totonu o fale, ma meafaigaluega e gaosia ai le eletise.