accident
activate
alarm
alert
background
box
break
brigade
button
closeup
control
damage
danger
detail
device
emergency
equipment
extinguish
fire
firemen
flame
glass
handicapped
handle
industrial
isolated
object
office
panel
panic
press
protection
pull
push
red
safe
safety
security
service
sign
single
siren
sound
sprinkler
switch
system
tool
urgency
urgent
wall
warn
warning
yellow