Ключевые слова: 3d, accident, advice, alert, area, attention, beware, board, careful, cartoon, caution, clean, cleaner, danger, dangerous, emblem, fall, figure, floor, folded, icon, illustration, information, injury, isolated, janitorial, label, leaky, maintenance, message, person, pictogram, plastic, precaution, prevention, roof, safety, sign, slide, slip, slippery, splash, surface, symbol, triangle, warning, water, wet, white, yellow,