Pneumatic door mechanism:
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Close, Shower door open
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The large metal door closes with a creak
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The barn door closes with a creak
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The wooden door closes
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The wooden door slams
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Shaking metal cabinet door
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The barn door opens, closes with a creak
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Closes, The door shutters opens
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The wooden door opens, closes with a creak
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The metal door of the compartment opens,
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Thud at the door
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Close, The prison bars open
★★★★★