Ключевые слова: advise, architecture, autumn, blue, caution, city, construction, country, danger, equipment, fence, grass, industrial, industry, landscape, law, legal, metal, notice, old, outdoor, outdoors, park, pole, protetion, quarry, road, rod, rules, rural, safety, seat belt, semaphore, sign, sky, street, structure, traffic, transportation, travel, tree, truck, urban, van, warning,