Ключевые слова: blue, box, compound, concept, contour, copy, cube, decoration, design, dot, electron, element, emblem, esoteric, figure, form, geometric, geometrical, geometry, gradients, graphic, green, grid, illustration, isolated, isometric, lattice, line, linear, model, modern, molecule, nanotechnology, nuclear, outline, particle, pattern, polygonal, scientific, shape, sign, space, striped, stroke, structure, symbol, thin, wire,