7 Sezóna
79 Epizoda
Japan's Top Inventions - Season 2 Episode 5 5. epizoda
The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, a product used in over 20 countries and regions: stay-tight fasteners, nuts used with bolts in railroads, bridges, towers, and more. When normal nuts experience vibration, they sometimes come loose. But stay-tight fasteners, developed in Japan in 1974, overcame this problem. Learn the dramatic story behind the nuts, including a surprising spot that inspired their creation: a shrine!
- Rok: 2024
- Země: Japan
- Žánr: Documentary
- Studio: NHK WORLD-JAPAN
- Klíčové slovo: invention, craftsmanship
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