| Code | Description | Items |
|---|---|---|
| 690 | Buildings | 6 |
| 691 | Building materials | 5 |
| 692 | Auxiliary construction practices | 1 |
| 693 | Specific materials & purposes | 6 |
| 694 | Wood construction Carpentry | 4 |
| 695 | Roof covering | 0 |
| 696 | Utilities | 2 |
| 697 | Heating, ventilating, air-conditioning | 3 |
| 698 | Detail finishing | 0 |