Design and construction 233 Dwellings 173 Maintenance and repair 170 Radio 123 Electronics 116 Furniture making 88 Amateurs' manuals 85 more ... Photography 77 Jewelry making 61 Woodwork 61 House construction 59 Remodeling 57 TECHNOLOGY & ENGINEERING 53 Digital techniques 52 Repairing 51 Brewing 50 Electronic apparatus and appliances 47 Microcomputers 45 Do-it-yourself work 44 Interior decoration 43 General 42 Equipment and supplies 40 Habitations 37 Fabrication 35 Robots 34 Wine and wine making 33 COMPUTERS 29 Construction 28 Garden structures 28 Amateur radio stations 26 less ...