The hardest faults to locate are the ones that transpire only From time to time—intermittent events. They may be a result of lousy connections, dust, dirt, corrosion or just damaged wiring or connectors. + Các Internet 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