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Engineer in helmet inspects HVAC ductwork with laptop inside commercial building, checking ventilation system installation. Activity: Construction. Engineering. HVAC.
Vents system. Ventilation shafts under ceiling. Place for inflow of clean air into premises. Ventilation equipment. Oxygen cleaning and filtration system. Steel vents pipes inside premises
White Square Wall Air Vent Louver Grille With Horizontal Slats Vector Illustration
Commercial HVAC system with multiple air conditioning units on a rooftop, displaying external components and ductwork, suited for industrial buildings and large facilities.
Steel ventilation pipes. Shafts for purified air circulation. Ventilation system pipes under ceiling. Engineering communications in industrial hangar. Ventilation shafts under roof building. 3d image

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