accident
advice
alert
art
attention
badge
black
button
careful
caution
communication
construction
danger
dangerous
element
error
excitement
exclamation
flat
graphic
hand
hazard
icon
info
label
logo
mark
notice
point
precaution
prevention
risk
road
round
secure
shape
sign
signal
silhouette
simple
stop
street
symbol
traffic
triangle
warn
website
yellow
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