How Levers Help Us1970

Name: How Levers Help Us
Genre: Documentary
Released: 1970
Duration: 11 min

This instructional film shows the three parts of a lever and demonstrates how various levers help to move things more easily, or move them farther and faster.

Released: 17. 7. 2026
Runtime: 11 min
Genres: Documentary
Certification: NR
Country, language: US · EN

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