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Signs
Flat
Basic Icons
button, sign, interface
Black
512x512
Science Icons
Science Icons, symbol, danger
Pointed Icons
button, Circular, signs
Business Pack
Bar, button, Circle
Business, tool, signs
power, symbols, symbol
Essentials
signs, on off, symbol
Coolicons
symbols, power, Energy
Simpleicon Interface
symbol, signs, Circular
line, Bar, Circle
Computer And Media 2
Finance, international, symbol
power, Control, symbols
symbol, power, sign
Ecologicons
signs, sign, plug
power, Energy, signs
Atomic, nuclear, signs
plant, plug, Ecologic
iOS7 Set Filled 2
Hydro, water, signs
iOS7 Set Lined 2
signs, water, cogwheel
Universal 04
Energy, power, line
gcons
turn on, turn off, power