Japan's Top Inventions
Stay-Tight Fasteners (2x5)
Data de estreia: Mai 09, 2019
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!
- Estreia: Mar 2018
- Episódios: 27
- Seguidores: 0
- A decorrer
- NHK
- Desconhecido