Ключевые слова: alertness, assistance, car, concentration, concepts, contact, crash, engine, failure, highway, hobbies, horizontal, insurance, journey, lifestyles, machinery, males, men, mistake, passing, people, problems, protection, reflection, repairing, rescue, retirement, road, safety, security, sending, service, standing, stationary, support, telephone, terrified, traffic, transportation, triangle, urgency, vacations, vertical, waiting, wheel,