How It's Made - S14E13 - Retractable Ballpoint Pens; Solar Salt; Tubas

  • Science, Documentary, How-to
  • TV-G
  • 20 min
  • Jan 08, 2010
  • HD
An insight into the production process for retractable ballpoint pens, solar salt and tubas.
Director:

François Senécal-Tremblay

Cast:

Lynne Adams

Brooks Moore