O mea fa'apipi'i vaivai eletise e aofia ai togi E, B, F, ma H ma le malosi fa'ainisinia lelei.O meatotino dielectric ma faʻalagolago i le vevela.O le vasega E aofia ai pepa tu'ufa'atasi;o le vasega B e aofia ai DMD, DMDM, DM;o le F grade e aofia ai F grade DMD;o le vasega H e aofia ai le NHN ma le NMN.E masani ona faʻaaogaina i masini faʻatupuina eletise e pei o le faʻaogaina o le slot, faʻafeiloaʻi i le liliu ma le faʻaogaina o le afi o le transformers, le faʻaogaina o le eletise ma le suiga o meafaigaluega, traction locomo tives, motors, mea eletise ma mea tau eletise.
