activate
alarm
alert
bell
blank
box
break
burning
button
call
case of fire
conflagration
crisis
danger
disaster
emergency
empty
equipment
escape
evacuate
extinguish
fire
fire alarm
fire break glass
fireman
flame
handle
help
industrial
key
lever
object
prevent
prevention
pull
push
red
rescue
safe
safety
security
sign
sprinkler
switch
symbols
system
trouble
urgency
wall
warning