Ключевые слова: amsterdam, asphalt, brush, brushes, car, city, clean, cleaner, cleaning, cleanliness, cleanup, closeup, conceptual, day, dirty, dust, ecology, editorial, equipment, garbage, industrial, industry, iron, machine, machinery, mechanca, mechanization, metal, modernization, motion, movement, municipal, outdoors, purity, road, rubbish, scrub, service, sidewalk, street, street sweeper, sweeper, sweeping, technology, transportation, urban, vehicle, view, waste, work,