Ключевые слова: 2019, air, aircraft, aviation, boxer, combustion, component, cylinder, cylinders, demonstration, device, drive, engine, equipment, exhibit, exhibition, flat, gasoline, generate, indoor, indoors, internal, international, iron, machine, machinery, maks, mechanics, mechanism, model, moscow, motor, nobody, obsolete, opposed, outdated, piston, power, propulsion, region, russia, russian, salon, show, six, space, steel, technology, valve, vehicle, zhukovsky,