燃やす
attack
blaze
butane
cylinder
danger
dangerous
destruction
education
emergency
equipment
explosive
extinguish
fighter
fire
fireman
flame
flammable
flare
floor
foam
fuel
gasoline
hand
hose
industrial
industry
learning
liquid
male
man
methane
nozzle
oil
outdoor
people
power
protection
risk
safe
safety
school
security
smoke
tank
team
teamwork
training
water
worker