Creaking metal door:
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Knock on the door, Doorbell
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The wooden door of the compartment opens,
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The freezer door opens, closes
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The wooden door closes
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The metal door closes with a creak
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Electronic doorbell
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The plastic door opens, closes
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Old doorbell
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The metal door closes
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Closes with a creak, The metal door opens
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Pneumatic door mechanism
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Key ringing
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