Ключевые слова: attention, bio, biohazard, biohazard icon, biohazard sign, biohazard symbol, biologic, biological, biology, black, cartoon, caution, chemical, danger, dangerous, epidemic, hazard, icon, illustration, lab, laboratory, protect, protection, radiation, radioactive, risk, safety, science, scientific, security, shape, sign, signal, symbol, toxic, virus, warning, yellow,