Ключевые слова: aerial, application, background, blades, blue, clouds, control, controlled, copter, countryside, development, digital, drone, field, fly, flying, free, green, illustrative, innovation, innovative, model, modern, monitoring, nature, radiocontrolled, robot, rotation, rotor, sky, smart, speed, spin, spy, supply, surveillance, system, technology, toy, twinscrew, watching, white, wireless, yellow,