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postact
@postact
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2019-04-08 20:35
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postact
wheels
7y
Gearing
We recognize little more of when and the place equipment wheels originated than we do of the invention of the wheel. Aristotle (c. 384 BC) recorded seeing a train of friction wheels set in motion, that
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postact
glass
7y
Glass
Until the plastics age of the twentieth century, and many would possibly say into and beyond it, glass was once the remaining cloth for making containers. It resists all substances—except hydrofluoric
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postact
wheel
7y
The develop of the wheel
pexels-photo-244553.jpeg The inventor of the potter’s wheel wrought, perhaps, higher than he knew. A easy turntable installed on a central pivot was once became throu!gh an assistant so that the potter
