A semi-automated transmission is the place some of the Procedure is automatic (usually the actuation on the clutch), but the driving force's input is required to maneuver off from the standstill or to alter gears. Automatic gearboxes appeared commercially during the 1940s, according to the Global Journal of Auto Style, https://automobile-gearbox95172.ziblogs.com/34257631/the-automobile-gearbox-diaries