Electronic energy, start up, shutdown, spinning action:
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Electrical discharge surge
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Low Frequency Electric Drone
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Electric transformer
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Electric sparks
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Button click
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Toggle switch, Small switch
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Tesla coil, Electric discharges
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Low frequency rumble
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Shoots an electric arc indoors
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Jacob’s ladder, Electric discharges
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Turn off the appliance,, Turn on
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Movement, Low frequency electric drone
★★★★★