1. E faʻaaogaina mo le faia o mea mumu mumu, pomu faʻailoga, afi afi, suʻesuʻega suʻesuʻega, tioata faʻapitoa, tioata tioata vai, faʻamalama afi afi ma isi mea afi.
2.E faʻaaogaina e fai ma mea cathode o vacuum tubes i totonu o pisinisi faʻaeletoroni, taga ea taavale ma pigments maualuga.
