Machine parts, namely, cylinder liners, bushings, collars, collar bearings; internal combustion engine parts, namely, cylinder liners, bushings, collars, and collar bearings; machine elements not for land vehicles, namely, flanges; Emission reduction units for motors and engines, namely, Exhaust gas recirculation (EGR) valves for motors and engines and Exhaust gas recirculation (EGR) valves for internal combustion engines for vehicles