831 — Locomotive engine drivers and related workers
| Código | Descripción |
|---|---|
| 8311 | Locomotive engine drivers |
| 8312 | Railway brake, signal and switch operators |
| Código | Descripción |
|---|---|
| 831 | Maquinistas de locomotoras y afines |
| Código | Descripción |
|---|---|
| 831 | Maquinistes de locomotores i similars |