Ключевые слова: blue, bucket, building, city, clean, cleaner, cleaning, climbing, clouds, cloudy, danger, dangerous, employment, equipment, exterior, glass, hang, job, labour, maintenance, male, man, men, mirror, mirrored, modern, occupation, office, outdoors, outside, pane, person, reflect, reflection, rope, scrub, sky, skyscraper, space, square, squares, squeegee, sun, wash, washer, washing, window, work, worker, works,