The toughest faults to locate are those who happen only Now and again—intermittent situations. They are often caused by undesirable connections, dust, Dust, corrosion or simply broken wiring or connectors.Th?ng kê x? s? mi?n B?c Th?ng kê x? s? mi?n Nam Th?ng kê x? s? mi?n Trung Tin t?cOscilloscope consumers know the way challenging triggering