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Nature
Flat
Typicons
ray, nature, thunderbolt
Black
512x512
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Babylon 5: Earth
thunderbolt
32x32
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Weather
Outline
thunder, weather, thunderbolt
thunderbolt, weather, thunder
Gaming & gambling
Photorealistic
48x48 Free Object Icons
weather, Bolt, shock
48x48
Network & communications
Pixel
16x16 Free Application Icons
Electric, Storm, thunder
16x16
weather, light, Disaster
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Desktop apps
3D
Free Applications Icons
Bolt, weather, thunder
24x24