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Pneumatic door mechanism
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The door in the gym opens, closes with a
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Key ringing
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Take a bunch of keys
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Closes, The door shutters opens
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Closes, The door to the gym opens
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The large metal door closes with a creak
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Electronic doorbell
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Freezer door close (with echo)
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The prison bars open, close
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Closes, Door latch opens
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Closes, The door of the metal cabinet opens
★★★★★