Ключевые слова: autumn, bright, buzzer, calmed, city, cityscape, cleaning, cleanliness, community, crew, debris, downtown, dust, environment, equipment, essential, evening, infrastructure, job, laboratory, landscape, machinery, maintenance, municipal, performance, professional, public, quiet, road, roads, roadsweeper, safety, sanitation, service, shine, street, sunset, surgery, sweeping, technology, transportation, trees, truck, urban, vehicle, work,