The isi mmepụta nke ф 48-3620mm mgbidi ọkpụrụkpụ 6mm-40mm mesikwuru ọkwa 3PE enweghị nkebi ígwè ọkpọkọ, mmanụ na gas pipeline, mmanụ na gas nnyefe oru ngo ntekwasa plastic ọkpọkọ, ntekwasa plastic ọkụ nchekwa ọkpọkọ, ọkụ nchebe n'ime na n'èzí ntekwasa plastic ígwè ọkpọkọ, na-ekpo ọkụ itinye plastic ike threading ígwè ọkpọkọ, cable nchebe ọkpọkọ.
Efere na-eguzogide corrosion