機器
and
blue
business
chemical
chemistry
construction
container
diesel
drilling
energy
engineer
engineering
environment
environmental
equipment
factory
fuel
gas
gasoline
industrial
industry
liquefied
liquid
lng
lpg
manufacturing
metal
natural
offshore
oil
petrochemical
petrol
petroleum
pipeline
plant
platform
pollution
processing
production
pump
refinery
station
steel
storage
tank
technology
tower
toxic