The figure reveals the vacuum clutch system. This type of clutch makes use of the present vacuum during the motor manifold to operate the clutch. The vacuum clutch contains a reservoir, non-return valve, vacuum cylinder with piston, and solenoid valve.  But let's stay with the topic of cars now! In https://keeganmmjhf.blogsvirals.com/32215626/helping-the-others-realize-the-advantages-of-clutch-kereta