Boats and boating Design and construction 35 Boatbuilding 12 Maintenance and repair 10 Electric equipment 8 Computer graphics 6 Aerodynamics 4 Aluminum alloys 4 Electronic equipment 4 Fiction 4 Motorboats 4 Safety measures 4 Ships 4 Wooden boats 4 Young men 4 Models 3 Radio control 3 Sailing 3 20th century 2 Analysis 2 Auxiliary engines 2 Boating accidents 2 Boats 2 Buildings 2 Cathodic protection 2 Conservation and restoration 2 Corrosion 2 Dogs 2 Electronics in navigation 2 Encyclopedias 2