Ключевые слова: alpinist, brigade, building, business, center, city, clean, cleaner, climb, climbing, crew, danger, dangerous, four, glass, group, high, highrise, labor, maintain, maintenance, management, men, occupation, office, outside, professional, property, reflect, reflection, repair, risk, scene, service, skyscraper, team, tower, up, wash, washer, window, wipe, wiper, worker, working,