Ключевые слова: asphalt, barrier, black, border, carting, circuit, competition, drive, enclosure, expressway, fence, friction, gocarts, gokarting, gokarts, grass, kart, karting, line, motor, motorway, old, paint, race, recreation, road, route, rush, safety, security, speed, speedway, sport, sportster, superhighway, tire, tire casing, tires, track, tracks, tread, tyre, tyre casing, vehicle, way, wheel, yellow,