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Ventilation duct on building roof
Related tags:
- ventilation
- ac
- air conditioners
- electric fan
- air duct
- industrial plant
- pipeline
- duct
- pump
- industrial
- industrial factory
- conditioner
- pipe
- blower
- steel pipe
- factory
- metal pipe
- steel factory
- fan
- steel industry
- air pollution
- industrial engineering
- metal industry
- factory building
- conditioning
- pollution
- steel
- industrial building
- cool air
- metal roof
- engineering
- steel building
- metal
- cold air
- electrical
