Category:Technology
Extends: [Main topic classifications](https://wikipedia.org.ai/Main topic classifications), [Applied sciences](https://wikipedia.org.ai/Applied sciences), [Physical sciences](https://wikipedia.org.ai/Physical sciences)
Properties
| Property | Expected Type | Description |
|---|---|---|
| Ddc | Text | 600 |
| Lcc | Text | T |
| Udc | Text | 6 |