appearance
architecture
aspiration
building
business
chimney
clean production
cleansing
commercial
construction
emissions
engine
engineer
engineering
enterprise
environment
environmental protection
fabrication
facade
factory
faience
filter
filters
gas
industrial
industrial building
industrial plant
industry
industry structure
machine parts
manufacture
manufacturing
manufacturing plant
minimize waste
modern
polluted
premises
production
production inventory
prospect
sanitary
sanitary faience
sucking
ventilation
work
workplace