機器
blue
business
chemical
chemistry
construction
container
danger
dangerous
diesel
energy
engineering
environment
equipment
factory
fuel
gas
gasoline
industrial
industry
liquefied
liquid
lng
lpg
manufacturing
metal
natural
oil
petrochemical
petrol
petroleum
pipe
pipeline
plant
pollution
power
production
propane
refinery
sky
sphere
spherical
station
steel
storage
tank
tanks
technology
toxic
white