Polishing metals is often done by esthetic reasons in for example the automobile industry. A polished surface has a lot of benefits. Bright lustre polishing makes the surface of the metal resistant from rust and oxidization. The surface also becomes cleaner, which means that small, organic particles gets difficulties attaching to the surface. Bright lustre polishing is often a requirement in the food processing and drug industry. The fact that the surface becomes easily manageable and beautiful can be seen as a positive side effect.