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Signs
Flat
General
Dead, Attention, signs
Black
512x512
Medical
warning, Biological, dangerous
Weather
Cumulus
Storm, weather, wind
Weapons
Japan
star, dangerous, Blades
PNG ICO ICNS MORE
Anime Smiley Icons
dangerous
128x128
PNG SVG MORE
Education & science
Outline
Miscellaneous
dangerous, Hook, pirate
341x512
PNG ICO ICNS SVG MORE
Mixed
Animal, snake, miscellaneous
danger, miscellaneous, explode
Halloween
Photorealistic
Desktop Halloween
Connection, insects, spider's web
256x256
Gaming & gambling
3D
Free Game Icons
danger, Explosion, Bomb
64x64