How Levers Help Us
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Complete catalog record
A man uses the lever to rift a car. Explaining how the leverage work. Pulling off the nail by hammer, digging the ground by scoop, rowing the boat, using scissors, crane breaking the building, a woman playing the piano, boys playing seesaw. These are all example to explain and introduce how the lever is made use of in usual life,
Sources
- 16mm Filmography (legacy record) — title, creator, length, catalog record
Original permalink · Record added 2024-09-08 03:40:48