英文關鍵字
exit
symbol
emergency
sign
fire
security
arrow
escape
vector
icon
warning
safety
doorway
green
door
danger
background
isolated
evacuation
building
help
information
protection
direction
office
label
white
urgency
pictogram
run
silhouette
wall
rescue
man
flat
web
floor
graphic
safe
set
design
people
indoor
concept
light
interior
moving
app
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