accident
alarm
alert
ambulance
attention
background
beacon
bulb
caution
danger
element
emergency
equipment
fire
flasher
flashing
flat
front view
glowing
graphic
icon
illuminate
illustration
isolated
lamp
light
medical
object
police
rays
rescue
rounded
safety
security
sign
signal
silhouette
simple
siren
symbol
traffic
vehicle
warn
web
white