Amateurs' manuals Design and construction 11 Dwellings 11 Maintenance and repair 10 Radio 8 Boatbuilding 5 Electronics 5 Furniture making 5 Remodeling 5 Equipment and supplies 4 Repairing 4 Electronic apparatus and appliances 3 House construction 3 Integrated circuits 3 Interior decoration 3 Jewelry making 3 Metal-work 3 Wine and wine making 3 Cinematography 2 Computers 2 Direct broadcast satellite television 2 Earth stations (Satellite telecommunication) 2 Handbooks, manuals, etc 2 House painting 2 Solar heating 2 Wooden boats 2 Woodwork 2 Adobe houses 1 Aluminum boats 1 Amateur films 1