Link collectionUseful links. Selected metalsAluminum (Wikipedia)Copper (Wikipedia)Iron (Wikipedia)Manganese (Wikipedia)Tin (Wikipedia)Zinc (Wikipedia) Relevant alloysBrass (Wikipedia)Bronze (Wikipedia)Steel (Wikipedia) Various methods for surface treatment by the polisherBlasting (Wikipedia) Brushing (Wikipedia)Cleaning (Wikipedia)Deburring (Wikipedia)Finishing (Wikipedia) Grinding (Wikipedia) Honing (Wikipedia)Lapping (Wikipedia) Machining (Wikipedia)Polishing (Wikipedia)Roughing (Wikipedia) Appropriate German associations, chambers, cooperatives, public institutionsGerman Trade Association Wood & Metal (German, only)Chamber of Commerce and Industry Stuttgart (CCI)CCI District Chamber Rems-Murr (German, only)City of Backnang (German, only)