3D printers; 3D printing pens; industrial robots; laser engraving machines; cutting machines; moulding machines; die-stamping machines; embossing machines; print heads for industrial printing machines; injection plastic molding machines; proofing machines; machines for glass industry including machines for daily glass; machines for processing plastics; engraving machines; compression moulding machines; handling machines, automatic (manipulators); machine parts, namely, molds for use in the manufacture of plastic models; three dimensional (3D) printers