英文關鍵字
autogas
blue
bottle
bottled
butane
canister
chemical
chemist
compressed
container
cylinder
danger
dangerous
distribution
domestic
element
energy
equipment
exclamation
explode
explosive
fire
flammable
fuel
gas
health
heating
industrial
industry
inflammable
liquid
lpg
metal
natural
personnel
power
pressure
propane
protection
red
refill
regulations
regulator
safety
science
scientific
station
steel
storage
tank