機器
architecture
blue
building
chemical
chemistry
complex
construction
distillery
energy
engineering
environment
equipment
evening
facility
factory
fuel
gas
gasoline
heavy
industrial
industry
iron
japan
japanese
kawasaki
landscape
machinery
metal
night
oil
petrochemical
petroleum
pipe
pipeline
plant
pollution
power
production
refinery
silver
sky
station
steel
storage
structure
tank
technology
tower
tube