A part of the bingo machine, from which the bingo pass to the playing field.

A flap at the top of the ball-dispensing machine that sends a particular ball to come into play.

The one way flap in a ball dispensing machine at the top of the ball runway. The ball passes under the ball gate to enter the main playfield area.

Part of the ball dispensing machine, the one-way flap at the top of the 'ball runway' which the ball passes under to enter the main playfield area.

The one-way flap at the top of the ball dispenser. Typically located atop the ball runway. The ball will pass under the ball gate just before it enters the ‘main’ playfield.

Is the door at the draw machine. It has a one-way flap in front of it, and is the place where the numbered balls goes throw to leave the sphere.