A na-abawanye elongation nke waya mgbe annealing.Ime ka ngwaahịa ahụ dị nro na-abawanye ngwa ngwa nke waya.Mgbe eletriki galvanizing na-ekpo ọkụ itinye galvanizing.A na-ejikarị ọla kọpa electroplating eme ihe na mmepụta ihuenyo.
Ntuchi nke eriri ọkụkọ na-ejikọta na eriri ọkụ ọkụ nke edozi nke ụlọ ígwè ụlọ nwere usoro nke mbụ ịcha akwa mgbe akwachara, ịkwanye akwa akwa na ihe ndị ọzọ.Mgbe ọgwụgwọ gasịrị, waya ọkụkọ ma ọ bụ nchara nchara nwere njiri mara mma na-eguzogide corrosion na oxidationresistance, nke enwere ike iji mee ihe maka nkwado,
nchekwa na nchekwa okpomọkụ nke ihe owuwu, mmanụ ala, ụlọ ọrụ kemịkalụ, omenala, nchekwa ubi, nhazi nri na ụlọ ọrụ ndị ọzọ.