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Wine bottle, empty, knock over
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Knocking on door, multiple
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Two hollow electronic, knocks or hits.
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Knocking on the wooden frame of a door glass
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Aerosol can dropped or knocked over on a hard surface.
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Knocking on a hollow wood door with knuckles
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Tin can empty knock over onto cement surface and wobble
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Garbage can lid falls over
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Small pill bottle knock over. Wobble, then the pills spill.
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Small pill bottle lid drop. Wobbles on wood surface.