Ключевые слова: 3, app, arrow, atom, attention, bacteria, badge, beaker, biological, bulb, business, button, caution, chart, chemistry, circle, core, danger, diagram, drops, epidemic, exclamation, experiment, flask, flat, hazard, icon, infographic, information, lab, label, laboratory, level, mark, nuclear, orbit, power, presentation, pyramid, radiation, radioactive, set, shape, sign, symbol, token, toxic, triangle,