Retractable Ballpoint Pens, Solar Salt, Tubas

Name: Retractable Ballpoint Pens, Solar Salt, Tubas
Released: 2010-01-08
Duration: 21 min
Rating: 10.0

S14 E13 January 8, 2010 0h 21m ★ 10.0

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Overview

This episode demonstrates the production processes for Retractable Ballpoint Pens, Solar Salt, and Tubas and shows how each is made.