Ключевые слова: abstract, art, astronomy, bacteria, bacterium, biology, business, contour, design, disease, earth, education, galaxy, germs, glass, icon, illness, illustration, infection, infographic, isolated, jupiter, light, line, linear, lineart, medical, medicine, microbe, optical, organism, outline, physics, planet, prism, pyramid, rainbow, refraction, saturn, science, shape, solar, space, spectrum, star, sun, system, universe, virus,