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(a)
Sound or image recorders or reproducers, such as:
Slide and filmstrip projectors;
Cinematographic projectors;
Back-projectors and episcopes;
Magnetophones, magnetoscopes and video equipment;
Closed circuit television equipment.
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(b)
Sound and image media, such as:
Slides, filmstrips and microfilms;
Cinematographic films;
Sound recordings (magnetic tapes, discs);
Videotapes.
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(c)
Specialised material, such as:
Bibliographic equipment and audio-visual material for libraries;
Mobile libraries;
Language laboratories;
Simultaneous interpretation equipment;
Programmed teaching machines, mechanical or electronic;
Material specially designed for the education or vocational training of handicapped
persons.
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(d)
Other material, such as:
Wall charts, models, graphs, maps, plans, photographs and drawings;
Instruments, apparatus and models designed for demonstrational pursoses;
Collections of items with visual or audio pedagogic information, prepared for the
teaching of a subject (study kits);
Instruments, apparatus, tools and machine-tools for learning a trade or craft.