Abdominal belts containing built-in speakers for purposes of transmitting music/sounds/educational material to a fetus and built-in pockets in which to carry audio transmitters; Access control and alarm monitoring systems; Alarm monitoring systems; An optical metrology inspection system comprised of a light source, one or more cameras and sensors in communication with computer software and hardware; Audio amplifiers; Audio and video cassette recorders; Audio and video recordings about tennis; Audio and video recordings featuring music and artistic performances; Audio and visual headsets for use in playing video games; Audio books in the nature of novels; Audio cables; Audio cassette and CD players; Audio cassette decks for automobiles; Audio cassette players; Audio cassette recorders; Audio circuit boards; Audio electronic components, namely, surround sound systems; Audio equipment for vehicles, namely, loud speakers for automotive audio systems; Audio equipment for vehicles, namely, stereos, speakers, amplifiers, equalizers, crossovers and speaker housings; Audio equipment for vehicles, namely, subwoofers; Audio mixers; Audio processing equipment, namely, limiters and compressors; Audio recorders; Audio speaker enclosures; Audio speakers; Audio speakers that may be attached with adhesive to the abdominal area of pregnant women for the purpose of transmitting music/sounds to the fetus, not for medical purposes; Audio tape recorders; Audio tapes featuring music; Audio-frequency transformers; Audio-receivers and video-receivers; Audio-video receivers