Metal working machines and tools; machine elements other than for land vehicles; cargo handling machines and apparatus; housings [parts of machines]; machine tools, and individual parts and fittings therefor, in particular mechanical clamping apparatus, mechanical tools and tool changers, tool magazines (in particular for machine tools), mechanical, handling apparatus, work piece palettes, manually and digitally controlled indexing fixtures, consisting of circular indexing fixtures, indexing discs, indexing heads and rotary tables; tables for machines; individual parts and fittings for machine tools, in particular mechanical control apparatus for machine tools; manufacturing systems, consisting of machine tools and digitally controlled machine tools, industrial robots with control devices, mechanical conveying apparatus; assemblies for machine tools, in particular for milling machines and/or lathes; handling machines and mechanical handling apparatus for workpieces or tools; mechanical workpiece and/or tool clamping devices being parts for machine tools; mechanical equipment and machines for the automated handling of tools and workpieces; radial cams; parts for the aforesaid goods