Low frequency electric drone, movement:
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Electric sparks
 
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Low frequency electric drone, movement
 
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Toggle switch, Small switch
 
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Button click
 
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Small electric motor
 
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Electronic energy, start up, shutdown,
 
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Electrical discharge surge
 
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Turn on, turn off the appliance,
 
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Electric discharges, Tesla coil
 
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Electric transformer
 
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Electric discharges, Jacob’s ladder
 
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Wall switch
 
★★★★★