US police car siren sounds:
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Dragging an item on a concrete floor
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Scanning goods at the supermarket checkout
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Squatting the Mat (1.5 seconds)
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Battery Hits
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Flag flaps in the wind on the seashore
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Time Machine
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Squatting the Mat (1 second)
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Throw nutshells on the floor
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Room noise
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Cut the air with a whip
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Beep time
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Knocking, The noise of the elevator
★★★★★