alarm
arrow
black
break
building
case
chute
danger
descend
disabled
door
drill
emergency
escape
evacuate
evacuation
exit
falling
fire
flame
gate
hand
help
human
icon
isolated
label
leaving
megaphone
office
people
person
plan
pull
run
safety
security
sign
simple
slide
stair
staircase
training
transportation
urgent
wheelchair
work