metal staircase with air ducts on the roof

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Size: 5616px × 3744px
Photo credit: © Marcel Derweduwen / Alamy / Afripics
License: Licensed
Model Released: None

Keywords: air, building, chimney, cold, conditioner, conditioning, construction, control, cool, cooling, duct, ducts, electric, engineering, exhaust, factory, fan, heat, hvac, industrial, industry, metal, metallic, pipe, pipeline, pipes, plant, power, roof, sky, staircase, steel, structure, system, technology, temperature, tube, vent, ventilation