Navigation and marine safety warning lights, namely, strobes, rotating lights and bar lights, marking and signalling buoys, rotating lighting, signalling whistles, beacon lights, marine navigation aids, marine lanterns, marine buoys, offshore navaids, bridge lights, barge lights, leading lights, remote area lighting, lighthouse lights and apparatus; batteries; batteries for lighting; flashing and steady safety lights; luminous beacons for safety or warning purposes; safety markers; signalling equipment, apparatus and instruments, namely, marking and signalling buoys, rotating lighting, signalling whistles, beacon lights, marine navigation aids, marine lanterns, marine buoys, offshore navaids, bridge lights, barge lights, leading lights, remote area lighting, lighthouse lights and apparatus; monitoring and control systems for signalling equipment, apparatus and instruments; power supplies for signalling equipment, apparatus and instruments; calculators and calculating machines; mooring systems and equipment for marking and signalling buoys, namely calculators and calculating machines; accessories for all of the aforesaid