Ключевые слова: abstract, allowed, area, background, brown, car, cement, concrete, danger rule, dirt, dirty, dust, emblem, floor, gravel, lines, only, outdoor, parking, passage, past way, pathway, pattern, people, powder, prohibited, prohibition, public, road, roughstain, safty, sand, sloppy, soil, solid, specifically, street, symbol, taint, texture, unclean, walk, walkway, way, yellow,