7 Carbon dioxide laser tubes being parts of machines; Computer-controlled engraving machines; Cutting machines; Industrial machinery, namely, electromechanical marking machines; 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; Machine tools, namely, powered machines for cutting or shaping or finishing metals or other materials; Portable laser engraving machines