How It's Made
S14 E13 | Retractable Ballpoint Pens; Solar Salt; Tubas
0h 20m|Science, Documentary, How-to|How To|2010
An insight into the production process for retractable ballpoint pens, solar salt and tubas.
GENREScience, Documentary, How-to
DETAILSNetwork: How To
Runtime: 20m
Rating: TVG