Ключевые слова: 3d, abstract, advice, advisory, alarm, alert, attention, beware, button, caution, construction, danger, dangerous, design, emblem, error, exclamation, figure, graphic, hazard, help, icon, idea, illustration, information, internet, isolated, label, mark, message, object, point, precaution, pressure, problem, render, risk, road, safety, security, sign, signal, single, symbol, toxic, triangle, warning, web, yellow,