A semi-automatic transmission is where by many of the Procedure is automated (often the actuation with the clutch), but the motive force's input is needed to maneuver off from a standstill or to vary gears. As a result, gearbox is essential to control output pace & torque. As per the https://griffinlonkg.vidublog.com/33164078/5-simple-statements-about-automobile-gearbox-explained