How a Caulk Gun Works

We considered the following mechanics of the caulk gun when creating the simulation.

1. User holds the handle [1] and pulls back on the trigger [2].
2. The pin end of the trigger [3] pushes the actuator [4] forward.
3. The actuator tightly engages the plunger [5] and pushes it forward.
4. The plunger head [6] pushes the caulk tube bottom.
5. The tube is held in place by a ring [7] at the end of the caulk gun.

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