7 Electronically controlled laser machines and apparatus for use in industry, namely, laser welding machines; Machines and apparatus, namely, electronically controlled laser machines for processing metal, sheet metal and sheet-shaped metal, namely, metal working machines; Machines and apparatus, namely, electronically controlled laser machines for cutting sheet metal, namely, machine tools, namely, powered machines for cutting or shaping or finishing metals or other materials; Machine tools, namely, laser cutters for use in industry, namely, cutting machines for metal working, machine tools for working wood, stone, glass, plastic, composite material, and numerically controlled machines and machine tools used for the cutting and forming of materials, namely, for working wood, plastic, glass, marble, metal; Laser systems for machining materials, namely, laser systems for producing cylindrical and shaped holes in metals and non-metals, namely, laser beam machines for cutting and drilling, laser beam machines for surface treatment, namely, for engraving, laser beam machines for perforating; Laser systems for machining materials, namely, laser engraving and laser welding machines; Laser beam cutting and drilling devices, namely, laser systems for cutting metal sheet and plate, namely, laser beam machines for cutting and drilling, laser beam machines for surface treatment, namely, for engraving; laser beam machines for perforating; laser systems for cutting metal tubing, namely, laser beam machines and numerically controlled machines and machine tools used for the cutting and forming of materials, namely, for working wood, plastic, glass, marble, metal; laser systems for trimming and cutting features in formed and fabricated three dimensional metal sheet, namely, metal working machines , laser systems for cutting plastic sheet, and laser systems for cutting ceramic sheet, namely, laser beam machines for cutting and drilling,; Laser beam systems for surface treatment, namely, hardening, cladding, and texturing metal surfaces and texturing non-metal surfaces, namely, laser systems for machining materials, namely, laser engraving and laser welding machines; Laser beam welding devices, namely, laser systems for joining two and three dimensional metal and metal alloy components with or without the aid of filler material, namely, laser welding machines