prerecorded audio cassettes featuring music and/or story telling and video cassette tapes

electrical and galvanic isolators for electrically and galvanically isolating electric and electronic devices to prevent electronic humming

electronic audio and video equipment, namely televisions, radios, videorecorders, audio tape recorders, microphones, sound control consoles, amplifiers, loudspeakers, incorporating electrical and galvanic isolators; cases and racks specifically designed for audio and video equipment incorporating electrical and galvanic isolators