How Machines and Tools Help Us
How Machines and Tools Help Us
უყურეთ How Machines and Tools Help Us უყურეთ ონლაინ ქართულად. Demonstrates that man has devised ways of making work easy with the aid of simple tools, engines and motors, and by harnessing such natural forces as wind and water.
- ჟანრი: დოკუმენტური
- ქვეყანა: United States
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