Ключевые слова: atom, biology, biotechnology, business, cell, circle, color, colorful, core, dna, flat, icon, illustration, image, line, linear, medicine, micro, model, molecular, molecule, neutron, nuclear, nucleus, orbit, outline, particle, pictogram, power, proton, research, round, science, scientific, shadow, sign, sphere, structure, symbol, technology, thin, view, web,