The toughest faults to locate are those that materialize only once in a while—intermittent occasions. They can be caused by lousy connections, dust, Grime, corrosion or simply broken wiring or connectors.La Liga là m?t trong nh?ng gi?i ??u bóng ?á ???c ??u t? m?nh b?i các ông l?n. Ng??i hâm m? có th? theo dõi ???c nh?ng tr?n ??u h?p d?n v