Ключевые слова: 3d, alarm, alert, background, button, buzz, buzzer, call, caution, circle, danger, dangerous, design, factory, force stop, form, hazard, hazardous, help, horn, illustration, important, industrial, industry, isolated, metal, object, protection, push, radiation, realistic, red, ring, risk, round, safety, security, set, signal, sos, steel, stop, text, threat, warn, warning, white, word,