Educational examination, amusement parks, rental of audio equipment, lending libraries, bookmobile services, publication of books, production of shows, rental of show scenery, presentation of live performances, organization of exhibitions for cultural or educational purposes, education information, nursery schools, rental of camcorders, rental of video cassette recorders, videotaping, videotape editing, videotape film production, organization of balls, organization of shows (impresario servic...