air
atmosphere
blue
boiler
building
business
chemical
chemistry
chimney
city
climate
dioxide
dirty
ecology
energy
environment
factory
frost
gas
global
heat station
heating
industrial
industry
manufacturing
pipe
plant
pollution
power
production
season
sky
smog
smoke
snow
snowy
stack
station
steam
structure
technology
tower
town
toxic
tube
urban
vapor
warming
waste
winter
定額
The factory chimneys are smoking during a winter season. The concept of air pollution. Environmental pollution by industrial waste.の素材 [FY310172502451]
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