alarm
alert
away
background
building
burning
case
climbing
direction
disabled
door
doorway
elevator
emergency
escape
evacuation
exit
fire
floor
forbidden
goal
hazard
health
help
hospital
label
lift
not
office
person
protection
rescue
restricted
run
safe
safety
security
sign
signal
smoke
stairs
stairway
step
sticker
stop
symbol
transport
urgency
use
way
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