accident
alert
architecture
attention
beware
build
building
business
careful
caution
construction
danger
dangerous
design
error
exclamation
glow
icon
illustration
importance
important
industrial
industry
information
lamp
led
light
mark
message
neon
notice
object
point
precaution
problem
repair
risk
road
safety
secure
security
sign
signal
stop
symbol
traffic
triangle
warning