燃やす
accident
alarm
alert
alertness
box
break
building
business
button
call
control
danger
detail
down
emergency
fire
flame
handle
high
hospital
industrial
office
panel
phone
press
protect
protection
pull
push
red
ring
room
safe
safety
safty
school
security
services
sign
start
switch
symbol
system
telephone
trigger
wall
warning