燃やす
air
annihilation
autumn
burner
burning
cloud
contamination
danger
ecology
environment
evaporation
exhaust
favorable
field
fire
flame
flaming
flare
flaring
fossil
fuel
fume
gas
gasoline
heat
industrial
industry
oil
outdoor
petrochemical
petrol
petroleum
pipe
pipeline
plant
platform
pollute
pollution
power
pump
refinery
russia
siberia
smoke
summer
sun
technology
torch
tower