燃やす
air
alarm
alert
apartment
atmosphere
background
button
call
carbon
chimney
co
co detector
codetector
cozy
danger
dangerous
detector
display
duty
emergency
equipment
escape
exit
fire
fireplace
firewood
flames
fleming
gas
glow
health
heat
hot
house
monoxide
poisoning
poisonous
protection
room
safety
security
sensor
smoke
smoke detector
system
test
tester
warm
wood