The ball is put into Engage in by use of the plunger, a spring-loaded rod that strikes the ball mainly because it rests within an entry lane, or as in some more recent games, by a button that signals the game logic to fire a solenoid that strikes the ball. https://junglekingpinball50068.bligblogging.com/27925432/star-wars-comic-art-pinball-machine-for-sale-can-be-fun-for-anyone