燃やす
angle
annihilation
chimney
cloud
combustion
contamination
danger
destruction
drill
ecology
energy
evaporation
exhaust
explosion
fire
flame
flare system
fuel
fume
gas
gulf
hazard
heat
industry
ladder
lightning rod
mast
methane
oil
painting
petroleum
pipeline
poison
pollute
pollution
power
raw materials
refinery
respiratory valve
rig
sky
steel
storage
substance
tank
tip
torch
warm
welding