7 Lathes, except for woodworking; CNC (computer numerical control) lathes, namely, computer controlled lathes; Power operated metal working machine tools, namely, turning tools and metalworking machines, namely, machining centers; boring machines; milling machines; laser processing working machines, namely, laser welding machines, laser engraving machines, laser drilling machines, and laser cutting machines; electro-chemical discharge machine tools for metalworking