accident
alert
attention
beware
blue
broken
business
careful
cartoon
caution
communication
computer
danger
dangerous
desktop
digital
display
equipment
error
exclamation
graphic
hammer
hazard
icon
illustration
information
internet
laptop
lines
mark
message
mobile
modern
monitor
notebook
pc
portable
risk
road
safety
screen
secure
security
sign
stop
symbol
technology
toxic
traffic
warn
warning