3D printers; 3D printing pens; Laser drilling machines for stone working; Laser engraving machines; Laser engraving machines for woodworking; Laser machines for cutting, marking, and engraving fabric designed for installation directly above embroidery machines; Laser welding machines; Offset printers; Packaging machines; Photo-engraving machines; Solar-powered electricity generators; Three dimensional (3D) printers; Typographic presses