Handbooks, manuals, etc Automobiles -- 8 Maintenance and repair -- 6 Television -- 5 Design and construction -- 4 Mechanical engineering -- 4 Plastics -- 4 more ... Design -- 3 Electric motors -- 3 Electronics -- 3 Engineering -- 3 Machine design -- 3 Motors -- 3 Testing -- 3 Air conditioning -- 2 Control systems -- 2 Dies (Metal-working) -- 2 Dressmaking -- 2 Electric wiring -- 2 Electric wiring, Interior -- 2 Energy conservation -- 2 Equipment and supplies -- 2 Fiber optics -- 2 Grinding and polishing -- 2 Handbook, manuals, etc 2 Heating and ventilation -- 2 Industrial engineering -- 2 Noise control -- 2 Production engineering -- 2 Radio -- 2 less ...