Heating, ventilation and air conditioning (HVAC). Industrial ventilation ceiling system under roof of high buildings. Commercial storage or warehouse
Modern equipment of industrial factory. Pipelines, air ventilation system at modern factory. Pharmaceutical factory interior. Ventilation system of industrial plant
Ventilation pipes and tubes hanging on ceiling. Ducts installed on ceiling. Safe in basement.
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
Fan turns in protective casing on roof of skyscraper or high buildings. Heating, ventilation and air conditioning (HVAC). Industrial ventilation system
Brewery ceiling with ventilation. Aluminium foil flexible duct on ceiling.
Supermarket ventilation system on blue sky. Large aluminum pipes for ventilation systems. Air purification system for a large children's supermarket
Industrial ventilation system on roof of skyscraper or high buildings. Fan turns in protective casing. Heating, ventilation and air
NEW
Ceiling fan rotating in venue or hangar and air Circulation. electric ceiling fan for air ventilation and cooling in interior
low angle of metal pipes of hvac system and lamps mounted to ceiling of big mall. heating, ventilating and air conditioning in crowded places. safety, modern technology and equipment
Shiny metal ventilation pipe for air regulation in plumbing system closeup. Conditioning system part in building mechanical room. Cooling equipment
NEW
Ceiling fan rotating in venue or hangar. Air ventilation and cooling of interior. Wide shot