Knock on the door:
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Electronic doorbell
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Pneumatic door mechanism
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Shutters open, close
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Shaking metal cabinet door
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Take a bunch of keys
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Doorbell, knock on the door
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The wooden door of the compartment opens,
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Close, Insert the key into the lock, open
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Banging on a metal door
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The wooden door slams shut with a key
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The wooden door of the compartment closes
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The metal door closes with a creak
★★★★★