Teaching apparatus, namely, computers, televisions, video monitors, audio tape recorders, audio tape cassette recorders, VCR recorders, DVD recorders, MP3 recorders, compact discs recorders, movie projectors, photographic projectors, slide film projectors, liquid crystal readout projectors, overhead projectors, video tape projectors, and multimedia projectors; pre-recorded VCR tapes, DVDs, compact discs, audio cassettes, records, discs and tapes, all containing movies, music, educational mate...