Knocking, blowing into the microphone, rustling:
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Turn on, blink, Daylight lamp
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Pull telescopic antenna
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Wooden whistle
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Airport Luggage Transport Belt
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Small crowd, organ plays, Church
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The noise of the room, ventilation inside
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Pioneer horn, Military
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Bath, Cork in the sink
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Small splash of liquid, Tinder subject
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Police whistle
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Stir the liquid in a beaker, Chemistry
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Old bike
★★★★★