燃やす
alarm
background
carbon
caution
chemical
class
classification
co2
concept
danger
dioxide
dry
emergency
equipment
extinguish
extinguisher
extinguishing
fire
firefighter
flame
flammable
foam
gas
hazard
help
hose
icon
instruction
label
manual
nozzle
powder
pressure
protection
red
rescue
risk
safeguard
safety
security
set
sign
spray
symbol
tool
type
warning
water
wet