Documentary film about new working methods in the construction industry. It introduces the viewer to new procedures and compares them with past times.
| Tagline | |
| Release Date: | Dec 31, 1950 |
| Genres: | Documentary |
| Production Company: | Studio populárně vědeckých a naučných filmů Gottwaldov |
| Production Countries: | Czechoslovakia |
| Casts: | |
| Status: | Released |
| Budget: | $0 |
| Revenue: | 0 |
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