Ключевые слова: 3d, background, better, communication, fast, for, get, getting, illustrated, illustration, improve, improved, improvement, improving, learn, learning, lesson, level, measure, measurement, measuring, needle, perform, performance, performing, practice, practicing, preparation, prepare, prepared, preparing, race, racing, rate, readiness, ready, render, repeat, repeating, repetition, repetitive, skill, skilled, skills, speed, speedometer,