An industrial short produced by Pražská železářská společnost (Prague Ironworks Company) in 1939, the film contains footage from the shorts Výroba oceli (Steel Production, 1939)—today presumed lost—and Poklady země (Treasures of the Earth, 1939), both directed by Karel Kohout.
| Release Date | August 1, 1940 | |
|---|---|---|
| Status | Released | |
| Original Title | Žhavý jícen | |
| Runtime | 12min | |
| Budget | — | |
| Revenue | — | |
| Language | Czech | |
| Original Language | Czech | |
| Production Countries | Czechoslovakia | |
| Production Companies | A-B | |