Brakes for vehicles, and compensating cylinders; fluid-operated cylinders, blocks, linings, shoes, discs and actuators therefor; clutches, transmission apparatus, gear changing apparatus, and universal joints, all for the propulsion systems of land vehicles; controls for motor land vehicles and for aircraft; aircraft landing gear; bearings, couplings and anti-vibration mountings; aircraft wheels; all for sale as part of a kit; all included in Class 12.;