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How It's Made

Season 14 · Retractable Ballpoint Pens, Solar Salt, Tubas
2001★ 7.72010-01-08

Injection-moulded pen bodies are fitted with ink refills, ballpoint tips, springs and retracting mechanisms. Salt water is concentrated in large evaporation ponds until crystals can be harvested and refined, while sheets and tubes of brass are shaped, joined and polished into the long air passages and broad bell of a tuba.

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32 sezon · 13 bölüm
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How It's Made

Have you ever wondered how the products you use every day are made? How It's Made leads you through the process of how everyday products, such as apple juice, skateboards, engines, contact lenses, and many more objects are manufactured.

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