燃やす
alarm
alert
alertness
assistance
background
burning
button
carbon
ceiling
closeup
danger
detector
device
domestic
electronic
emergency
equipment
fire
flame
gray
heat
help
home
house
household
indoor
interior
object
office
prevention
protect
protection
rescue
residential
risk
room
safety
security
sensor
sign
signal
siren
smoke
sound
system
technology
wall
warning
white