9
Parts for electric marine signal units, namely electronic lanterns and flashers,electric marine audible signal horns; including sensors, amplifiers, marine lights; batteries, battery chargers; power supplies, solar panels, voltage regulators; and battery boxes
37
installation and testing of electrical and electronic navigational aids namely,offshore marine navigational systems, and the removal, replacement and repair of navigational aids; also maintenance and/or repair of batteries, solar energy generators, wind energy generators, wave energy generators, and conventional battery chargers; providing installation of Cathodic protection services and the replacement and maintenance for fire detection, smoke detection, and gas detection systems for others
42
Testing of electrical and electronic navigational aids, namely, offshore marine navigational aid services namely providing certified field inspections and maintenance records,providing research, engineering and design consulting services for others relating to marine and aeronautical navigational aids, namely; explosion proof equipment, visual and audio signaling apparatuses, supervisory control and data acquisition (SCADA)-Telemetry, Cathodic protection,installation and replacement, and the monitoring of fire detection,smoke detection, and gas detection system installation, maintenance/services and the remote monitoring thereof