Wooden whistle:
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Throw the item in the trash.
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Removing the napkins from the box
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The noise of the room, electrical appliance
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Digital beep
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Open, Diplomat, close the castle, briefcase
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Bunsen Burner, Chemistry
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Wet, suction effect
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Old bike
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The receptionist trolley passes by
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Rooms,, The noise of the refrigerator
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Voices, In the school corridor, sounds of
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Laboratory experiment
★★★★★