Machines utilizing rotational motion for high energy surface finishing and material treatment

machines and parts therefor, namely, laser sintering machines used for the generative production of parts, prototypes, models, moulds and tools and other kinds of three-dimensional objects; plastic processing machines, polishing machines, sand-blasting machines, coating machines, finishing machines, structuring machines, washing and cleaning machines, moulds for rubber-forming, moulds for die casting, moulds for metal-forming used for the treatments of parts to be produced and produced parts,...

Computer programs/software and accompanying printed materials for use in teaching and/or learning mathematics at secondary and collegiate educational levels, and particularly for software features that under user control allow the program/software to present/display the entire step-by-step mathematical solution with explanations