Ключевые слова: blizzard, blockages, bulldozer, city, clearing, climate, cloudy, cold, day, during, eastern, equipment, europe, external, extreme, heavy, icing, improvement, north, northern, outdoor, removal, road, russia, russian, sidewalk, snow, snowdrift, snowfall, snowflakes, snowstorm, square, streets, town, tractor, transport, ural, urban, weather, wheeled, wind, windstorm, winter, works,