The hardest faults to uncover are those that come about only Occasionally—intermittent events. They are often a result of lousy connections, dust, Grime, corrosion or simply damaged wiring or connectors.V?i t? l? th?ng c?c k? t??i sáng, m?i l?n tham gia, ng??i ch?i có c? h?i tr? thành ng??i chi?n th?ng, b?t ch?p vi?c h? là ng??i m?i hay là m