Alternating current servo motors; Computer controlled lathes; Computerized engraving machines; Drilling machines and parts therefor; Fiber cutting machines; Gear cutting and finishing machines; Laser engraving machines; Laser engraving machines for woodworking; Metalworking machine tools; Metalworking machines; Numerically controlled machines and machine tools used for machining parts; Pressure switches and sensors for monitoring, controlling, and switching hydraulic or pneumatic systems bein...