機器
air
aisa
and
asia
asian
atmosphere
building
chimney
china
consumption
dark
destroy
dioxide
disaster
dusk
ecological
ecology
emissions
energy
environment
equipment
evening
factory
high
industry
iron
japan
japanese
kawasaki
light
manufacturing
modern
nature
night
outdoor
ozone
pipe
plant
pollution
power
scenery
shape
sky
steel
steelworks
travel
waste
wind
working