air
atmosphere
backgrounds
building
carbon
chemical
chimney
clear
climate
danger
dirty
dust
energy
environment
environmental
exhaust
factory
flue
fog
fumes
gas
generation
global
industrial
industry
manufacturing
nature
outdoors
pipe
plant
pollution
power
production
sky
smog
smoke
steam
technology
tower
toxic
vapor
warming
white
定額
Powerful industrial factory chimney is smoking and emitting carbon dioxide into the environment. Concept of air pollution and the problem of global warmingの素材 [FY310183414584]
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