Fa'avasegaga:sa'o mea'ai maneta vaivai
Fa'aopoopo: Alloy e maualuga le fa'aogaina i fanua vaivai i le saturation induction.
Fa'aaogāga: Mo 'a'ai laiti o transformers, titina ma relays o lo'o fa'agaoioia i fanua vaivai, talita fa'amaneta. I totonu o le mafiafia laʻititi (0.05 ± 0.02 mm) - 'au mo le faʻaliliuina o pulupulu, faʻamalo faʻamageta ma faʻasalalauga malo.