3D printers; 3D printing pens; Blowing machines for the compression, sucking and carrying of grain; Conveyer belts; Cooling radiators for motors and engines; Electric hand-held drills; Engraving machines; Hot melt glue guns; Industrial robots; Machine parts, namely, joints and joint parts for connecting sliding strips, plates and guides; Machines for plastics working; Manipulators for forging presses and for forging machines; Shaft couplings for machines; Wood carving machines