alarm
alert
background
bell
box
break
bright
building
button
call
case
concept
danger
emergency
equipment
evacuation
fire
firefighter
glass
health
help
here
industrial
information
isolated
metal
object
prepared
prevent
prevention
pull
push
red
rescue
retro
safe
safety
school
security
sign
sound
sprinkler
symbol
system
tone
urgency
wall
warning
white
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