12 LAND VEHICLE ENGINE COMPONENTS, NAMELY CONNECTING RODS, WRIST PINS, CYLINDERS, CYLINDER LINERS, BLOCKS, CAMSHAFTS, CRANKSHAFTS, PUSHRODS, ROCKER ARMS, GEARS, BEARINGS, BUSHINGS, DRIVE SHAFTS, COMPRESSOR WHEELS, AND COMPRESSOR BLADES; AIRCRAFT STRUCTURAL COMPONENTS, NAMELY STRUTS, SPARS, RIBS, LIFT STRUTS, AND LANDING GEARS