The profiles provided list advantages, disadvantages, and suggestions for use of 12 basic types of audiovisual materials and equipment. In some instances, points to remember about construction purposes and methods of utilization are included. Formats described are charts, graphs, and maps; filmstrips and slides; super 8mm film loop projections; motion pictures (16mm); records and record players; microforms; overhead projector and transparencies; opaque projector; tape recorder; television; still cameras (box or 35mm); and videotape recorder. Uses of copy machines in the preparation of instructional materials are outlined, and a bibliography is attached. (SW)