Usoro mbara ala

Friday, 17 March 2017 by
Ihe esere eserese nke usoro TT earthing system

Na ngwa eletriki ma ọ bụ sistemụ ọkọnọ eletriki ma ọ bụ sistemụ ntọala na-ejikọ akụkụ ụfọdụ nke nrụnye ahụ na ihu ala nke ụwa maka nchekwa na ebumnuche ọrụ. Ebe a na-ekwu okwu ya bụ ihu ọma nke ụwa, ma ọ bụ n'ụgbọ mmiri, n'oké osimiri. Nhọrọ nke ụwa nwere ike imetụta

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