9 charge couple device (CCD) camera sensors, infrared sensors, ultrasonic sensors, capacitive sensors, and pneumatic sensors, all of the foregoing for use in process control systems, surface treatments, drive systems, guidance systems, cutting and slitting systems, imaging and recording systems, measuring systems, inspection and defect detection systems, and sensing systems; electro-mechanical positioners (comprising servo motors, belts, ball screws and nuts), used to move and laterally position webs or metal strips so that they may be printed with one or more colors, or cut or slit, or surface treated, or measured; and electronic motor controllers, used to control direct current (DC) servo motors used in linear actuators and other material positioning systems