How Do They Do It?

How Do They Do It?

High-Speed Trains; Ballpoint Pens (5x17)


Yayınlanma tarihi: Mar 27, 2008

The technology behind high-speed trains; manufacturing ballpoint pens.

  • Prömiyeri: May 2006
  • Bölümler: 324
  • Takipçiler: 27
  • Bitti
  • Discovery
  • Perşembe saat 22