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| 1. Laboratory technician | 7. Purchasing agent |
| 2. Biomedical laboratory technician | / responsible for purchases |
| 3. Lab Technician | / purchasing manager |
| 4. Chemist | / Purchasing adviser |
| 5. Key Account Manager | 8. Head of department |
| 6. Managing director / CEO | 9. Consultant / adviser |
| 10. Microbiologist |