Pneumatic door mechanism:
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Knock on the door, Doorbell
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Dropping metal latches from a wooden door
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Close, Shutters open
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Thud at the door
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Close, Shower door open
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The freezer door opens, closes
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Key ringing
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The big door closes
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Cabinet door opens, closes
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The prison bars open, close
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Closes, The garage door opens
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The wooden door slams shut with a key
★★★★★