The toughest faults to locate are people who come about only From time to time—intermittent functions. They may be because of lousy connections, dust, dirt, corrosion or simply damaged wiring or connectors.Th? thao B?c th?m t? k?t Cúp C1: Ch? ??i Siêu kinh ?i?n Các ??i th? h?i h?p tr??c l? b?c th?m t? k?t Cúp C1, trong ?ó không lo?i tr? kh?