• 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