The hardest faults to locate are the ones that come about only From time to time—intermittent activities. They are often attributable to terrible connections, dust, dirt, corrosion or simply broken wiring or connectors.Tin t?c 24h Podcast Tu?n Vi?t Nam ??ng nh?p Chính tr? S? ki?n Xây d?ng ??ng ??i ngo?i Bàn lu?n Th?i s? Qu?c h?i An toàn giao