Manufacturing processes 15 English language 11 Welding 10 Public speaking 9 Electric welding 7 Robots, Industrial 7 Industrial management 6 Production management 6 Dies (Metal-working) 5 Fluid power technology 5 Hazardous wastes 5 Plastics 5 Environmental education 4 Gas metal arc welding 4 Machine-tools 4 Management 4 Metal castings 4 Metals 4 Near net shape (Metalwork) 4 Report writing 4 Safety measures 4 Shielded metal arc welding 4 Testing 4 Air conditioning 3 Businesspeople 3 Composite materials 3 Computer-aided design 3 Data processing 3 Design, Industrial 3 Electronic apparatus and appliances 3