燃やす
alarm
alert
blaze
building
business
buzzer
ceiling
commercial
condominium
danger
detection
detector
digital
electricity
emergency
engineer
equipment
fire
fire alarm
fire detector
firefighter
flam
flame
flare
frame
heat
house
industrial
industry
inflame
modern
office
power
protection
protective
protector
public
safety
security
sensitive
sensor
setup
signal
smoke
smoke detector
system
technology
warn