Ключевые слова: asphalt, brush, car, city, clean, cleaner, coronavirus, day, dirt, driving, dust, employment, engineering, epidemic, equipment, event, flow, flu, heat, industry, infection, lifestyles, machine, machinery, motion, move, orange, outbreak, outdoor, pandemic, pavement, riding, road, russia, service, spatter, special, splash, spray, spread, stream, street, sweep, transport, truck, urban, vehicle, wash, water,