blue
bottle
building
butane
combustible
combustion
compress
contained
container
control
cooking
crisis
cylinder
danger
demand
demanding
distribution
energy
explosive
factory
fire
flammable
fossil
fuel
gas
indicator
inflammable
liquefied
liquid
living
lpg
management
manipulate
market
methane
natural
petroleum
pipe
portable
propane
refill
retail
risk
shortage
station
steel
storage
store
tank
valve