Servo motor:
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Church, choir singing under the organ
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Items fall on the carpet.
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Umbrella opening
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Pull telescopic antenna
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Breaking a wood-glass product
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Football bugle
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Bleeding a bike wheel
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Umbrella pulling telescopic tube
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Throw a match and a glass container
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Ventilation inside, The noise of the room
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Pounding in the mud
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Ice crushing
★★★★★