environmental
aerial
architecture
blue
building materials
business
cement
chemical
chemistry
concrete
construction
dust
energy
environment
environmental pollution
equipment
europe
factory
gas
global
gravel
industrial
industry
landscape
limestone
manufacturing
material
metal
outdoor
pipe
piping
plant
pollution
pollution damages
process
processing
production
silo
site
sky
smoke
station
steel
stones
storage
structure
sunny
technology
tower
workplace
定額
Waste gas emissions into the atmosphere from the firing of the mixture in the production of cement. Industrial landscape. Environmental pollution with industrial gases and dust.の素材 [FY310156819534]
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