alarm
alert
attention
background
blue
built
case
casing
caution
closers
color
danger
electronics
emergency
equipment
fire
flame
flash
front
home
housing
included
industrial
interior
lamp
light
metal
nobody
object
open
orange
plastic
pneumatic
protection
red
rescue
safety
security
service
sign
signal
siren
strobe
system
technology
two
urgency
warning
white
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