The Bitterfeld lignite combine includes a large number of lignite plants, open-cast mines, power stations and briquette factories. The film presents several mining professions, shows miners' jobs, mostly in connection with modern mining technology, and points out the great prospects that mining offers in a wide variety of professions.
| Actor | Role |
|---|---|
| JJoachim PetryNarrator (voice) | Narrator (voice) |