Thud and Blunder in "Knock-Off Time"
- کال: 1964
- هیواد: United Kingdom
- ډول: Animation
- سټوډیو: National Coal Board Film Unit, BFI, TVC London
- کلیدي ټکی: safety, coal mining, miners, civil disobedience, collier, psa, public information film
- ډایرکټر:
- کاسټ:
