Ключевые слова: achievement, black, boss, clean, cleaning, cold, cover, day, december, deep, entrance, export, feet, fence, force, frost, gathering, hand, hard, ice, janitor, january, job, labor, layer, load, man, open, outdoor, outside, removal, season, security, shovel, snow, snowdrift, stair, storm, street, suburban, technique, track, warm, weather, white, winter, work, worker, yard,