How Levers Help Us
0.0/10 by 0 users
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 | Jan 01, 1970 |
|---|---|
| Runtime | 0h 11min |
| Genre | Documentary |
| Actor | N/A |
| Director | |
| Production | Coronet Films |
Recomendations
