Ключевые слова: accident, advice, after, attention, beware, building, business, caution, cleaning, cleanup, copy, danger, fall, floor, ground, hallway, hotel, icon, indoor, information, interior, job, lobby, maintenance, man, message, minimal, nobody, notice, object, office, plastic, precaution, prevention, professional, raining, red, resort, risk, safety, sign, slide, slip, slippery, space, surface, symbol, warning, wet, yellow,