Ключевые слова: action, active, aeronautics, air, aircraft, aviation, blades, chopper, couple, engine, engineering, evasive, feint, flight, fly, force, heavy, helicopter, industry, machine, manage, maneuvre, manipulate, manoeuver, mobile, modern, move, movement, multipurpose, pair, power, propeller, rotor, screw, silhouette, sky, speed, tactic, technology, transport, turbine, up,