Three dimensional(3D) printers in the form of a 3D printing pen; 3D printers; Presses (machines for industrial purposes); Engraving machines; Printing machines for industrial use, including machines for printing on textile and flexographic printing machines; Printing rollers for machines, in particular Rollers being components of packaging lines (machines); Driving chains other than for land vehicles; Transmission chains other than for land vehicles; Bearings (parts of machines); 3D printers, including 3D printers in the form of a pen; Industrial machine presses; Printing machines (for textile); Industrial printing machines; Gravure printing machines; Printing machines for web products, particularly wallpaper, floor coverings and films, parts for the aforementioned machines and lines composed thereof, namely, gravure printing lines, screen printing lines, flexo printing lines and combinations of the aforementioned lines; Flexographic printing machines; Rollers being components of packaging lines (machines); Roller chains being parts of machines; Machine parts, namely, roller bearings