Ключевые слова: abstract, atom, background, biology, biotechnology, cell, chemistry, circle, concept, core, design, electron, element, energy, geometric, health, icon, illustration, isolated, life, medicine, micro, microscopic, model, molecular, molecule, neutron, nuclear, nucleus, object, orbit, organization, particle, physics, pictogram, power, proton, research, round, science, scientific, shape, sign, silhouette, sphere, structure, symbol, technology, web,