燃やす
accident
alarm
danger
device
dirty
emergency
equipment
extinguish
extinguisher
fighting
fire
firefighting
glass
hazard
high
hose
hydrant
icon
industry
object
pipe
place
pressure
prevention
protect
protection
red
reel
rescue
risk
safe
safety
security
sign
simple
steel
sticker
symbol
system
tube
valve
vector
wall
water