| ↑ | 344 | social law, safety, environment, nature reserves |  → 333.72 363 614 690.22 ≈ S.SPEC.32.BJ e al Botta 2 |
| ↑ | 346.045 | land planning | → 690.2 711.4 |
| ↑ | 620.13 | walling materials | → 624.183 693.5 |
| ↑ | 624 | civil engineering | → 531.3 690 |
| ↑ | 624.176 | seismic engineering | → 363.3 551.22 620.3 693.85 |
| ↑ | 624.18 | materials | → 691 |
| ↑ | 624.182 | metal structures: iron, steel, aluminium | → 620.16 620.17 669 693.7 |
| ↑ | 624.184 | wooden structures | → 694 |
| ↑ | 628 | sanitary engineering, sewers, wastewater | → 696 |
| ↑ | 720 | architecture in general | → 690 |
| ↑ | 720.28 | restoration, architectural drawing | → 690.24 |
| ↑ | 720.47 | architecture and environment | → 333.7 338.927 621.47 696 |
| ↑ | 721 | building and architectural structures | → 690.1 |
| ↑ | 721.04 | architecture materials | → 691 693 |
| ↑ | 729.28 | lighting | → 621.32 690.18 |
| ↑ | AR17 | industrialization | ≈ 658.4 690.2 |
| ↑ | AR18 | construction management and planning | ≈ 658.4 690.2 |
| ↑ | AR24 | security of the building system | ≈ 690.22 |
| ↑ | AR3 | Technical Architecture. | ≈ 690 721 |
| ↑ | AR7 | building | ≈ 690 |
| ↑ | C II | Industrial design | ≈ 693.97 |
| ↑ | CO4 | prefabricated buildings | ≈ 693.97 |
| ↑ | CO7 | Construction machinery and organization | ≈ 690 |
| ↑ | III, IV, V, VI | | ≈ 690 |
| ↑ | D4E | Prefabricated buildings | ≈ 693.97 |
| ↑ | D4O | technical architecture | ≈ 690 |
| ↑ | D4P | Constructions and structural details in masonry | ≈ 691 |
| ↑ | D6A | Construction management and planning | ≈ 692 |
| ↑ | D6B | Industrialization | ≈ 690 |
| D7 | Construction machinery and organization | ≈ 690 |
| ↑ | IT1 | Packaging plants | ≈ 697 |
| ↑ | IT2 | Heating systems | ≈ 697 |
| ↑ | IT3 | Plumbing | ≈ 696 |
| ↑ | IT4 | Technical installations | ≈ 696 |
| ↑ | IT5 | Congresses (Technical installations) | ≈ 696 |
| ↑ | R +n | building recovery | ≈ 690.24 |
