Ключевые слова: art, attract, attraction, background, bright, color, colorful, concept, contour, design, education, electromagnetic, element, energy, equipment, field, flat, force, glowing, graphic, green, horseshoe, icon, illustration, iron, isolated, light, line, linear, lineart, magnet, magnetic, magnetism, metal, neon, object, outline, physics, polarity, power, science, shape, sign, steel, symbol, technology,