The hardest faults to find are those who come about only From time to time—intermittent situations. They are often because of lousy connections, dust, Dust, corrosion or simply damaged wiring or connectors.xsmbsxmbx? s? mi?n b?cxsmb th? 7K?t qu? x? s? th? 7K?t qu? x? s?xsmb hôm nayx? s? mi?n b?c hôm nayB?m ? ?? theo dõi VOH trênCh?a h?t, nh?n