aeration
arrow
away
ceiling
cellar
dark
dark room
direction
door
doorway
electrical
electricity
emergency
escape
evacuate
evacuation
exit
figure
green
hanging
human
hung
icon
illuminated
indoors
inside
interior
leave
light
lighting
man
metal
person
pipe
public
room
run
running
safety
sign
signage
symbol
tube
vault
ventilation
venting
wall
way out
white