Antennas; Endoscopes for non-medical use; Cameras; GPS navigation devices; Audio speakers; Laptops; Carrying cases for cell phones; Electronic interconnecters for audio and video signals; Circuit boards; Electronic LED signs; Electronic alert system for scuba divers comprised primarily of computer software, electric transducer, vibrating motor, antenna and lights for the purpose of requesting the dive partner's attention through vibration, sound and illumination; Electronic control gears (ECG...