Take a bunch of keys:
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The wooden door of the compartment closes
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Knock on the door
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The door is opened, released, slammed shut
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Closes, The wooden door opens
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Keys fall to the floor
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Pulling a doorknob
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Close, Shutters open
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Shaking metal cabinet door
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Electronic doorbell
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Pneumatic door mechanism
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Closes, The freezer door opens
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Open the front door
★★★★★