Bicycle rear wheel ratchet:
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Whip pillow
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Retraction of the telescopic, Extension
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The noise of the great hall
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Fussing in the thicket, rustling leaves
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Blow into the microphone
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Board falls
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The noise of the room, air conditioning,
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Walking big robot
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Unlock the bike lock
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Metronome
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Lightsaber battle
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Numerical, male voice, Warning system
★★★★★