| 109 | Maintenance systems, instruction material |
| 51 | Insulation, panels, bulkheads, doors, sidescuttles,skylights |
| 512 | Doors w/coamings in accommodation |
| 513 | Other internal doors w/coamings |
| 514 | External doors w/coamings |
| 515 | Side scuttles and windows w/equipment |
| 951 | Doors and windows installations, turnkey/complete |