Ключевые слова: analysis, atom, background, benzene, biology, black, branch, chemistry, concept, connection, design, element, emblem, exploration, fragment, icon, illustration, isolated, knowledge, logo, material, method, micro, microbiology, model, molecular, molecule, monochrome, natural, nobody, object, particle, research, ring, science, scientific, sign, simple, structure, study, studying, symbol, system, technology, web, white,