- AUDIOVISUAL EQUIPMENT SECTOR 423.41
- AUDIOVISUAL TEACHING 163.72
- COMPONENT 152.47
- COMPUTER SCIENCE 213.55
- DATA PROCESSING AND OFFICE AUTOMATION SECTOR 423.51
- ELECTRIC HOUSEHOLD EQUIPMENT SECTOR 423.49
- ELECTRIC MATERIAL SECTOR 423.57
- ELECTRICAL EQUIPMENT 152.27
- ELECTRICAL INSTALLATION SECTOR 423.75
- ELECTRICITY 341.65
- ELECTRICITY AND ELECTRONIC SECTOR 423.55
- ELECTRONIC COMPONENT SECTOR 423.15
- ELECTRONIC MATERIAL SECTOR 423.53
- ELECTRONICS 152.57
- ELECTRONICS SECTOR 423.35
- LIGHTING SECTOR 423.69
- MICRO ELECTRONIC SECTOR 423.26
- OFFICE AUTOMATION 213.15
- ROBOTICS SECTOR 423.33
- SMALL ELECTRIC HOUSEHOLD EQUIPMENT SECTOR 423.39
- TELECOMMUNICATION EQUIPMENT 224.32
- TELECOMMUNICATION EQUIPMENT SECTOR 423.61
- 15 COMPONENT 152.47
- 35 ELECTRONICS 152.57
- 41 AUDIOVISUAL TEACHING 163.72
- 51 COMPUTER SCIENCE 213.55
- 51 OFFICE AUTOMATION 213.15
- 55 ELECTRICITY 341.65
- 57 ELECTRICAL EQUIPMENT 152.27
- 61 TELECOMMUNICATION EQUIPMENT 224.32