Le bras de levier et la rivière
Le bras de levier et la rivière su Tantifilm e CB01. In the film, produced for the series "Young Scientists", for the CBC, a group of young people on vacation share the discovery of the application of the lever in some applications of everyday life.
- Genere: Documentario
- Paese: Canada
- Direttore: Michel Brault
- Attori: