燃やす
911
accident
alarm
alert
black
box
break
brick
building
button
call
control
danger
department
detector
device
disaster
down
emergency
factory
fire
glass
hazard
hazardous
health
home
hotel
house
install
installation
lever
light
mounted
office
old
protect
pull
push
red
rescue
safe
safety
secure
siren
strobe
system
wall
warning
white