3D printers; Drives for machines; Engraving machines; Hydraulic pumps and motors for hydrostatic systems, comprised of pumps, motors, valves, switches, sensors and electronic controls, for hydraulic drives and force transmission in machines, machine tools, grinding and food processing machines and in off-road-vehicles; Industrial robots; Linear motions machines for moving objects; Milling machines; Servo motors; Shaft couplings for machines; Tool bits for machines