welded ígwè tubes na-ekpo ọkụ itinye ma ọ bụ electrogalvanizing mkpuchi.Galvanizing nwere ike ịbawanye nguzogide corrosion nke ọkpọkọ ígwè na ogologo ndụ ọrụ ya.Galvanized ọkpọkọ USES bụ nnọọ obosara, na mgbakwunye na a izugbe ala mgbali mmiri dị ka mmiri, gas, mmanụ akara pipe, na-ejikwa dị ka mmanụ ụlọ ọrụ, karịsịa oké osimiri mmanụ ubi mmanụ olulu mmiri, mmanụ ọkpọkọ, chemical coking ngwá nke mmanụ kpo oku, na condensing, mgbanwe nke coal distillation na-asacha mmanụ ngwa nju oyi maka tube, na trestle ikpo, Ngwuputa ọwara na-akwado etiti tube, wdg