![Thud and Blunder in](https://image.tmdb.org/t/p/w300/bAs4AODM6hjhYgeHjeEKP0MGJxX.jpg)
Thud and Blunder in "Knock-Off Time"
Thud and Blunder learn what not to do while in a coal mine.
- Žánr: Animovaný
- Studio: National Coal Board Film Unit, BFI, TVC London
- Klíčové slovo: safety, coal mining, miners, civil disobedience, collier, psa, public information film
- Obsazení: