Design and construction Integrated circuits 10 Sustainable buildings 8 Airplanes 7 Data processing 7 Chemical reactors 6 Equipment and supplies 6 Microwave circuits 6 Planning 6 Antennas (Electronics) 5 Automobiles 5 Bridges 5 Chemical plants 5 Interior decoration 5 Radio circuits 5 Airports 4 Chemical engineering 4 Health facilities 4 Motor vehicles 4 Semiconductors 4 Standards 4 Sustainable architecture 4 Systems engineering 4 Wireless communication systems 4 Architecture 3 Computer-aided design 3 Digital electronics 3 Electronic apparatus and appliances 3 Electronic circuit design 3 Electronic digital computers 3