Tianqiao ituaiga thorium tungsten electrode e faigofie ona faagaoioia, uta tele i le taimi nei, faigofie e amata arc, arc mautu, arc tele vavao va, gau itiiti, ola umi auaunaga, maualuga recrystallization vevela, conductivity lelei, ma le lelei o le tipiina o masini.Tungsten thorium electrode o se mea e sili ona lelei mo le lelei maualuga.