The hardest faults to find are those who come about only Every now and then—intermittent occasions. They are often a result of undesirable connections, dust, Grime, corrosion or simply damaged wiring or connectors. + Các website, ?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 Hello