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Tambourine
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Flag flaps in the wind on the seashore
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Sine wave (975Hz)
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Passenger elevator, movement, stop
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Body fall in leaves
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Knocking, The noise of the elevator
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Unscrew, twist the cap of the bicycle camera
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Airport Luggage Transport Belt
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Parachute deployment
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The metal gates of the grill open, close
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Turn on, Daylight lamp, blink
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Chemistry, burner, boiling liquid
★★★★★