Ключевые слова: architecture, building, business, city, clean, cleaner, cleaning, climber, climbing, danger, equipment, exterior, facade, facility, glass, job, maintenance, management, manhattan, modern, mountaineering, new, occupation, office, outside, risk, rope, service, skyscraper, team, teamwork, tower, usa, wash, washer, washing, window, windows, work, worker, york,