Ключевые слова: 3d, accident, advice, alert, attention, background, beware, blue, careful, caution, clean, cleaner, color, colorful, cyan, danger, fall, floor, graphic, hazard, icon, illustration, image, indoors, information, isolated, janitorial, lobby, maintenance, message, notice, object, pictogram, plastic, precaution, prevention, render, rendering, risk, safety, sign, slide, slip, slippery, surface, symbol, tiled, warning, wet,