Ключевые слова: aerodynamics, air, aluminium, background, blade, cold, conditioner, conditioning, construction, cool, cooling, ductwork, electric, engine, engineering, equipment, factory, fan, flow, heat, hvac, industrial, industry, isolated, machine, machinery, metal, motor, pipe, plant, power, propeller, shaft, steel, structure, system, technology, truss, turbine, vent, ventilation, ventilator, warehouse, white, wind,