01	Holography	Techniques and devices for producing holograms. Acoustic holography.
02	Test Facilities, Equipment and Methods	Laboratory and test facility design and operation; Measuring, testing and simulation devices with more than one application. For devices and facilities used for a single application, see the group where the application is treated.
03	Recording and Playback Devices	Techniques and devices for recording variable quantities. Includes magnetic, thermoplastic, electrostatic and electrooptical recording systems. For photographic recording, See 14/04, Photography. For holographic recording, See 14/01, Holography. For devices used for a single application, see the group where the application is treated.
04	Photography	Photographic techniques, equipment, processes and materials. For aerial and satellite photography and photogrammetry, See 08/02, Cartography and Aerial Photography. For holography, See 14/01, Holography.
05	Printing and Graphic Arts	Lithography and Photolithography; Drawing; Engraving; Visual design; Xerography. For computer graphics, See 12/05, Computer Programming and Software, or 12/06, Computer Hardware.