Pull telescopic antenna:
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Digital beep
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Ground powder on the table, Chemistry
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Bullet hit in metal
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Air dissection
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Suction, Wet, blisters
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Wallet, Throw a small bag, purse on the floor
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The noise of the refrigerator, rooms,
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High-frequency squeak, hum
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Bagging in the bag
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Electronic bird singing
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Movement, Elevator with hand doors
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Servo motor
★★★★★