Th?ng kê t? ??ng c?p nh?t khi k?t thúc bu?i t??ng thu?t tr?c ti?p k?t qu? x? s? Gi?i m?i (bao g?m t?t c? gi?i nào có s? thay ??i, c?p nh?t m?i ho?c ?i?u ch?nh)The hardest faults to search out are people who happen only Occasionally—intermittent situations. They may be due to lousy connections, dust, Filth, corrosion or simply broken wiring o