Electronic bird singing:
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Squatting the Mat (1 second)
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Hum, High-frequency squeak
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Blow into the microphone
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Rope fall
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Dragging an item on a concrete floor
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Bagging in the bag
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Throw it on the floor, Shake the bag
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Twist the cap of the bicycle camera, Unscrew
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The noise of the refrigerator, rooms,
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Tambourine
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Lab accident
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Parachute deployment
★★★★★