Inventory control Radio frequency identification systems 98 Data processing 73 Automation 71 Production planning 45 Business logistics 35 Production management 35 Inventories 34 Production control 34 Management 32 Computer programs 28 Materials management 27 Database design 20 Database management 19 Mathematical models 18 System design 18 Manufacturing resource planning 15 Material requirements planning 12 Production scheduling 12 Just-in-time systems 10 Smart cards 10 Design and construction 7 Materials handling 7 Programmable controllers 7 Spare parts 7 Factory management 6 Identification 6 Management information systems 6 Office equipment and supplies 6 Physical distribution of goods 6