Ключевые слова: air, airflow, architecture, background, building, ceiling, circle, condition, conditioner, conditioning, construction, cool, cooling, cover, design, duct, electric, equipment, exhaust, fan, flow, frame, grid, grill, grille, heating, hole, home, house, hvac, indoor, industrial, industry, inside, interior, maintenance, modern, object, office, panel, room, square, system, technology, vent, ventilation, ventilator, wall, white,