Modern ventilation system installed for air circulation of big or loft rooms, metal tubes under the ceiling and cooling air indoor
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Constructed loft with installed ventilation system, enginnering project of work with large windows, hanging lamps and ventilation pipes
Ventilation pipes and tubes hanging on ceiling. Ducts installed on ceiling. Safe in basement.
Aerial top down view of ventilation and air conditioning systems installed on the rooftop of a skyscraper in a developed business district
Aerial top down view of ventilation and air conditioning systems installed on the rooftop of a skyscraper in a developed business district
Aerial top down view of ventilation and air conditioning systems installed on the rooftop of a skyscraper in a developed business district
Steel pipes and tubes of air conditioning ceiling system. Roof structure with iron beams in large hight warehouse storage. Heating, ventilation and air conditioning. Industrial ventilation system
Supermarket ventilation system on blue sky. Large aluminum pipes for ventilation systems. Air purification system for a large children's supermarket
Shiny metal ventilation pipe for air regulation in plumbing system closeup. Conditioning system part in building mechanical room. Cooling equipment
Aerial view of cooling fan spinning on the roof of the skyscraper. Ventilation installation on the roof of a skyscraper
Aerial view of cooling fan spinning on the roof of the skyscraper. Ventilation installation on the roof of a skyscraper
Big industrial cooler red fans in factory for reduced heat in operation ventilation of plant, industry cooling mechanical fan