Integrated circuits 25 Economic integration 10 Design and construction 9 Management 9 Computer integrated manufacturing systems 8 Design 6 Social integration 6 Very large scale integration 6 Integrated solid waste management 5 Integrity 5 Metal oxide semiconductors, Complementary 5 Building-integrated photovoltaic systems 4 Data processing 4 Integrated optics 4 Islam 4 Low voltage integrated circuits 4 Materials 4 Mathematical models 4 Photovoltaic power systems 4 Radio frequency integrated circuits 4 Religious aspects 4 Stock exchanges 4 Testing 4 Wireless communication systems 4 Enterprise application integration (Computer systems) 3 Equipment and supplies 3 Metal oxide semiconductor field-effect transistors 3 Photovoltaic power generation 3 Refuse and refuse disposal 3 Regionalism 3