機器
asia
asian
bay
blue
building
chemical
chemistry
city
cityscape
construction
day
distillery
energy
engineering
environment
equipment
factory
fuel
gas
gasoline
heavy
industrial
industry
iron
japan
japanese
kawasaki
machinery
oil
petrochemical
petroleum
pipe
pipeline
plant
pollution
power
production
refinery
silver
station
steel
storage
structure
tank
technology
tokyo
tower
town
tube