Quality function deployment Quality control 57 Production management 50 Production planning 45 New products 29 Management 25 Human engineering 9 Design and construction 8 Quality of products 7 Consumer satisfaction 6 Engineering design 6 Product design 5 Cellular phone 4 Customer services 4 Escalators 4 Automobiles 3 Machine design 3 Safety measures 3 Case studies 2 Computer-aided design 2 Concurrent engineering 2 Design 2 Furniture 2 Human factors 2 Industrial management 2 Jigs and fixtures 2 Light emitting diodes 2 Maintenance and repair 2 Milk 2 Mixing machinery 2