7 Mechanical apparatus, equipment and instruments, namely, electrical soldering stations comprised primarily of electric soldering irons, and soldering tips for use in the manufacture of electrical engineering and electronic products, and their parts and accessories; machines and machine tools, namely, etching tools for material processing and production, in particular for the processing and production of printed circuit boards assembled with electronic components; electrical and electronic apparatus, machines, appliances and equipment, namely, electric soldering irons for manufacturing electrical and electronic components and printed circuit boards assembled with electronic components; autogenous soldering machines, electric and gas-operated soldering apparatus, soldering devices and soldering instruments, namely, soldering irons as well as their parts and accessories; electric soldering apparatus sold as soldering systems comprised of the following items: electric soldering irons, soldering tips, soldering nozzles, soldering nozzle inserts, soldering lamellas, soldering strands as parts of, soldering pots, soldering baths; electric solder pumps, all for use as part of an electric soldering apparatus; overflow, reflow, selective and wave soldering machines and systems comprised primarily of electric soldering irons, electric soldering pumps, and apparatus therefor including a workman's table for soldering, and parts and accessories therefor; 3D printers, 3D stencil printers and soldering stencils, industrial printing machines for printed circuit boards; electric brushes being parts of machines; Reflow, selective, overflow and wave soldering machines and systems comprised of radiators and heating devices for use in soldering machines, in particular infrared radiant heaters, hot-air nozzles and heating plates for use in soldering machines; electric and gas-operated soldering apparatus comprised of support holders for soldering irons, soldering nozzles and soldering tips; suction devices, namely, suction pumps in particular for the suction of welding or soldering fumes; filter devices, namely, filtering machines in particular for filtering welding or soldering fumes; mechanical and hydraulic lifts, namely, lifting and lowering stations as well as height difference and rotating stations as parts of soldering installations; cleaning machines, in particular for cleaning printed circuit boards, solder joints on printed circuit boards and electronic components for arrangement on printed circuit boards; cutting, drilling, milling, punching [, grinding, polishing, sharpening ] and surface treatment machines and apparatus for industrial purposes; industrial press-in machines, in particular for pressing electronic components into printed circuit boards; industrial cooling machines, namely, cooling devices and cooling bodies in the nature of machine parts that cool and maintain temperature as part of machine piping systems sold as an integral component of finished machines for plants for industrial use; conveying machines and conveyor belts, in particular for printed circuit boards and electronic components as parts of machines and plants; hydraulic, pneumatic or mechanical apparatus, namely, controllers for industrial use and hydraulic controls for machines; industrial robots for handling workpieces, in particular electronic components and printed circuit boards; operating devices¿, namely, controllers as machine parts for the aforementioned machines and spare parts and accessories for all aforementioned machines