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Mixed
Flat
Pictograms vol.1
warning, danger, exclamation
CornflowerBlue
137x512
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Outline
Interface
exclamation, danger, interface
Black
512x512
Mayssam
Error, Alert, danger
Glyph
Basic icon element
danger, warning, safety
Free Misc Icon Set 2
Error, sign, fill
Error, Alarm, warning
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Things
gold, bell, church
Goldenrod
bitsies!
warning, Alarm, Alert
Simple Geometric Icons
Exit, delete, Close
Locations - Solid
training, ride, Bikes
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Krispicons- Modern Flat Icons Freebie
Attention, danger, Caution
Firebrick
111x111
Handdrawn
Social Messaging & Productivity
danger, Attention, Error
warning, no smoking, smoking
Fire
fire, Alert, warning
Crimson
Simple darkcon
warning, Error, skull
324x512
problem, warning, Caution
Icons prohibition
prohibition sign, warning, impossible
prohibition sign, prevention, prohibiting sign
impossible, prohibition, prohibiting sign
roller skates, prohibition, impossible
prohibition, prevention, Cigarette
prohibiting sign, interdiction, prohibition
prohibiting sign, prohibition sign, impossible
impossible, prohibition sign, prevention