Ключевые слова: blue, building, business, city, clean, cleaner, climb, climbing, danger, dangerous, exterior, facility, glass, grid, group, high, highrise, installation, job, labor, maintain, maintenance, management, men, mirror, occupation, office, outside, people, property, reflect, reflection, repair, risk, scene, service, skyscraper, striped, structure, tower, washer, window, wipe, wiper, worker, working,