Ключевые слова: advice, arc, attach, attachment, attention, bicycle, bicycling, bike, city, cycle, ecological, ecology, empty, fitness, fix, frame, garage, home, icon, information, message, metal, notice, parking, plate, pointer, protection, public, ride, road, safety, secure, security, series, service, sidewalk, sign, signal, steel, stop, street, strong, structure, symbol, traffic, transport, transportation, urban, vehicle, wheel,