Air ventilators that are not driven by power on the roof of some small industry. Ventilators on roof top that spins and takes wind into building

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Size: 6000px × 4000px
Location: India
Photo credit: © Jeevan GB / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: air, aluminium, aluminum, architecture, building, cold, conditioner, construction, control, cool, cooling, design, efficiency, engineering, equipment, exhaust, factory, fan, flow, heat, hot, industrial, industry, metal, modern, motion, outdoor, roof, roofing, rooftop, rotate, silver, spin, stainless, steel, sunlight, system, technology, temperature, top, vent, ventilation, ventilator, ventilators, warehouse, wind