1. Steel Reinforcement (SR).
| 14. Plumbing & Pipe Fitting (PPF). |
| 2.Electrical Wiring Installation (EWI). | 15. Joinery (JN). |
| 3. Metal Form Works (MF). | 16. Cladding (CI). |
| 4. Timber Form Works (TF). | 17. Pipe Fitting (PF). |
| 5. Acoustical Ceiling (AC). | 18. Ducting (DAV). |
| 6. Fiber Plaster Ceiling (FPC). | 19. Brick Lying. |
| 7. Waterproofing (WP). | 20. Plastering. |
| 8. Interior Dry Wall (IDW). | 21. Shuttering Carpeting. |
| 9. Timber Door (TD). | 22. Fabricator. |
| 10. Structural Steel Feting (SSF). | 23. Timber Floor. |
| 11. Tilling (TL). | 24. Curtain Wall. |
| 12. Thermal Insulation (TI). | 25. Shipyard. |
| 13. Welding (WD). | |