Brake linings for motor cars; Braking systems for vehicles and parts thereof; Clutch mechanisms for motor cars; Suspension springs for motor cars; Motors and engines for land vehicles; Hubs for vehicle wheels; Structural parts for automobiles; Vehicle bumpers; Chassis for motor vehicles; Coachwork for motor vehicles; Steering units for land vehicles and parts thereof; Shock absorbers for automobiles; Vehicle power train mechanism comprised of clutch, transmission, drive shaft, and differential