Ключевые слова: blue, building, business, city, clean, cleaner, climb, climber, climbing, danger, dangerous, equipment, exterior, facade, glass, group, high, highrise, janitor, job, labor, maintain, maintenance, man, management, mirror, modern, occupation, office, outside, people, property, reflect, reflection, repair, risk, rope, service, sky, skyscraper, structure, tower, wash, washer, window, wipe, worker, working,