The toughest faults to locate are people who come about only once in a while—intermittent events. They may be because of poor connections, dust, dirt, corrosion or simply damaged wiring or connectors. + Các Site, ?ng d?ng quét t? ??ng d? li?u x? s? tr?c ti?p t? X? S? Minh Ng?c: K?t qu? c?p nh?t trên h? th?ng tr??c khi hi?n trên màn hình