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- 31.04. Computer technologies
- 31.05. Design
- 31.06. Reservation of Ownership a...
- 31.07. Audiovisual Technologies a...
- 31.08. Chemistry and Chemical Pro...
- 31.09. Electronics and Automation
- 31.10. Material and Materials Pro...
- 31.11. Electricity and Energy
- 31.12. Motor Vehicles and Transpo...
- 31.13. Food Processing
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