Otu igwe, otutu ojiji
Enwere ike iji igwe ịgbado ọkụ nke Agera maka ntụpọ ịgbado agbado igwe mpempe akwụkwọ, multi-point projection welding dị ka nut projection ịgbado ọkụ, na waya njikota akpụ. Mgbe ị na-eji ya maka usoro ịgbado ọkụ dị iche iche, ịkwesịrị ịgbanwe electrodes kpọmkwem ma tọọ paramita kwesịrị ekwesị.