Ключевые слова: alert, attention, background, beware, black, careful, cartoon, caution, command, construction, danger, dangerous, design, error, exclamation, flat, grunge, grungy, hazard, highway, icon, indication, industrial, industry, information, isolated, mark, red, risk, road, rusted, rusty, safety, safety sign, sanger, security, sign, street, symbol, template, traffic, traffic sign, transport, transportation, triangle, triangular, warning, white, yellow,