Ọgwụ ọnụ maka igwe okpukpu (armored cable)

E mere ya site na ihe ndị pụrụ iche, a kụọ ya ọkụ ka ọ sacha, ọ nwekwara ike ịdị ike nke ukwuu.

Gwa anyị ihe iji mepụta ya, usoro igwe, na ike ọrụ ị chọrọ ka anyị nwee ike ịkwalite usoro kwesịrị ekwesị.