Ключевые слова: 3d, action, ai, art, background, balance, ball, conservation, demonstration, device, education, energy, engine, engineering, equilibrium, experiment, force, historical, history, humanoid, illustration, invention, isolated, lab, machine, mechanical, mechanics, mechanism, medieval time, metal, mobile, model, motion, movement, nature, perpetual, perpetuum, physical, physics, production, robot, rotation, science, scientific, scientist, spin, wheel, work,