[ Acoustic conduits; Acoustic couplers; ] [ Acoustic sound alarms; ] [ electric alarm bells; Amplifiers; Antennas; Bar code readers; ] Batteries, electric; Battery chargers; [ Binoculars; Cabinets for loudspeakers; Coaxial Cables; Cables, electric; fiber-optic cables; Junction sleeves for electric Cables; Camcorders; photography cameras; time recording devices, namely, time clocks; Coils, electric; Compact disc players; blank compact discs for audio-video; DVD players; Ear plugs; Electronic p...

Acoustic conduits; acoustic couplers; acoustic sound alarms; electric alarm bells; amplifiers; antennas; bar code readers; batteries, electric; battery chargers; binoculars; cabinets for loudspeakers; coaxial cables; cables, electric; Fiber-optic cables; Junction sleeves for electric cables; camcorders; photography cameras; time recording devices, namely, time clocks; electric coils; compact disc players; blank compact Discs for audio-video; DVD players; ear plugs for soundproofing; electroni...