Electric discharges, Tesla coil:
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Small switch, toggle switch
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Tesla coil, Electric discharges
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Multichannel switch
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Start up, Electronic energy, shutdown,
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Button click
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Electrical discharge surge
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Turn on, turn off the appliance,
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Low frequency rumble
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Current, electricity, discharge
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Electric sparks
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Electric discharges, Jacob’s ladder
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Small electric motor
★★★★★