Knock on the door:
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The metal door of the compartment opens,
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Closes, The door shutters opens
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Shutters open, close
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Pneumatic door mechanism
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Wooden door and hinges creak, the door closes
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The wooden door closes
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The plastic door opens, closes
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Closes, The wooden door opens
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The metal door closes
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The prison bars open, close
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The metal door of the compartment closes
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The door in the gym opens, closes with a
★★★★★