Police whistle:
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Time Machine
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Closing the umbrella, Opening
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Close the freezer, Laboratory – open
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Knocking, blowing into the microphone,
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Digital beep
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Chemistry, stir the liquid in a beaker
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Church, crowd noise
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Laboratory experiment
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Umbrella opening
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Shake the bag, throw it on the floor
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Popping bubbles, Air bubble film
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Robot heartbeat
★★★★★