balloon
butane
carving
combustible
compressed
container
crane
cylinder
damaged
dangerous
distressed
distribution
domestic
energy
explosive
flammable
fossil
fuel
gas
handle
heating
household
industrial
inflammable
liquefied
metal
natural
old
petrochemical
portable
power
pressure
pressurized
propane
refill
reusable
risk
steel
storage
supply
tank
useful
valve
warming