Ключевые слова: blizzard, city, clean, cleaner, cleaning, cleanup, clear, clearing, covered, frost, holding, ice, janitor, maintenance, man, manual, pavement, removal, remove, removing, road, scoop, service, shovel, shoveling, sidewalk, slippery, snow, snow cleaning, snow removal, snow shovel, snowdrift, snowfall, snowing, snowstorm, snowy, storm, street, street cleaning, surface, utility, weather, white, winter, winter storm, work, worker, working,