Spinning machines for the production of yarn, fibers as well as tow made of thermoplastics and parts of such spinning machinery, namely, raw material dryers, extruders, mixers, spinning pumps, spinnerets, quenching ducts, air ducts, spin finish units, heater for heating liquid or liquefiable chemical products containing or consisting of diphenyl, diphenyloxide, poly-phenyls, and halogenated derivatives thereof, fans, draw-off machines for conveying and guiding yarn and fibers, tows parts of such draw-off machines, namely, feed roller assemblies, fiber draw-off walls with conveyor rolls, godets; drawing machines for drawing yarn, fibers as well as tow and parts of such drawing machines, namely, draw rolls, godets and heaters for draw rolls and godets; take-up machines for winding up yarn and fibers; plaiting machines for tow and parts of such plaiting machines, namely, sunflower wheels, can traversing units, cans, can conveying units, can conveying belts; staple fiber machines for the production of staple fibers and parts of such staple fiber machines, namely, can creels, feed roller assemblies, draw rolls, water baths, cooling rolls, moistening devices, namely, units for applying moistening liquid to yarn and fibers, steam generators, stuffer box crimpers; fiber cutting machines; baling press machines for baling yarn and fibers; spin-texturizing machines for the production of crimped yarn and fibers and parts of such spin-texturizing machines, namely, raw material storage tanks, raw material dryers, extruders, mixers, spinning pumps, spinnerets, quenching ducts, air ducts, spin finish units, heaters for heating liquid or liquefiable chemical products containing or consisting of diphenyl, diphenyloxide, poly-phenyls, and halogenated derivatives thereof, fans, feed roller assemblies, godets, texturizing units, tangling nozzles; accessories for the aforesaid machines, namely, thread guides, feed rolls, power operated yarn cutters

Installation, namely, erection of the aforesaid machines and plants composed of such machines, maintenance and repair of the aforesaid machines and plants composed of such machines, namely, spinning machinery and staple fiber plants

Assembly, for others, of the aforesaid machines and plants composed of such machines, namely, spinning machinery and staple fiber plants

Technical consulting with regard to product production and manufacturing planning, plant planning and design engineering services for the production of yarn, fibers, tows made of thermoplastics, software programming for process and machine control for others