environmental
air
atmosphere
background
building
business
change
chemical
chimney
cleanliness
climate
cloud
concept
contamination
damage
danger
dirty
ecology
emission
energy
factory
gas
global
illustration
industrial
industry
pipe
plant
poison
pollution
power
problem
production
sky
smog
smoke
smokestack
steam
technology
tower
toxic
warming
water
定額
Industrial pollution banner, vector illustration. Air pollution by smoke coming out of two factory chimneys. Environmental problems. Smoking factory concept. Heavy industry plant.の素材 [FY31064171307]
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