Na-arụ ọrụ dị mma na nkwụsị nke onye na-elekọta ya na ihe mmetụta: onye na-elekọta ya na-agbanye ala: a na-ejikọta shei na-arụ ọrụ ma jikọta ya na ụwa.Ihe mmetụta grounding: Thentinyeihe mmetụta nwere ike jikọọ na pipeline na ụfọdụ ụlọ ọrụ nwere ike iji antinyeụlọ igwe anaghị agba nchara.
Oge nzipu: Ọktoba 15-2021