Scientific apparatus and instruments for monitoring and optimizing maritime navigation; navigation apparatus for boats; surveying apparatus and instruments; nautical and photographic apparatus and instruments, namely, underwater housings for cameras, underwater enclosures for cameras and underwater enclosures for photographic lenses; optical apparatus and instruments, namely, optical ports for underwater photography, dome ports for underwater photography, wet diopters, adapter lenses for underwater photography; cinematographic apparatus; weighing apparatus and instruments distance measuring apparatus; signalling buoys; electronic apparatus and instruments for controlling, adjusting and testing of drives and motors; optical inspection apparatus; life-saving rafts; teaching apparatus, namely, navigation bridge simulators for use in maritime and seamanship training; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing data relating to sailing; electronic navigational and positioning apparatus and instruments; downloadable mobile applications for monitoring and optimizing maritime navigation; electronic computers and computer hardware for use in relation to sailing; downloadable computer application software for navigation, for compilation of positioning data, for tracking of sailboats, for route planning; downloadable interactive software for providing navigational and travel information; global positioning system (gps) apparatus; gps navigation device; gps tracking devices; downloadable communications software for connecting global computer networks; data processors; computer display screens; computer display monitors; electronic display interfaces; electronic components for computers for use in boats; navigation systems for autonomous ships; sensors, namely, led position sensors, pressure sensors, temperature sensors, acceleration sensors, electronic proximity sensors, alarm sensors; converters, electric; wireless transmitters and receivers; wireless chargers; wireless communication devices for voice, data or image transmission; electronic apparatus and instruments for sailing, namely, regulators, power supplies (electrical), and chargers; electronic video surveillance products, namely, electronic components of security systems; water level indicators; satellite-aided navigation systems; marine compasses; wind socks for indicating wind direction.

Installation, maintenance and repair of computer hardware.