Maintenance and repair 87 Management 27 Maintenance 26 Buildings 25 Design and construction 14 Data processing 10 Software maintenance 8 Airplanes 6 Construction industry 6 Language maintenance 6 Methadone maintenance 6 Pavements 6 Plant maintenance 6 Quality control 6 Automobiles 5 Equipment and supplies 5 Repair and reconstruction 5 Total productive maintenance 5 Total quality management 5 Analysis 4 Apartment houses 4 Dissertations 4 Environmental aspects 4 Hotels 4 Public housing 4 Building 3 Building inspection 3 Case studies 3 Computer programs 3 Computer software 3