How It Works Season 1 Episode 9 Episode 9
- Not Rated
- March 29, 2007
Today's episode begins with the manufacture of corkscrews. The parts are all made separately, starting with the bell which is made from zinc and ground by a finishing machine.
Today's episode begins with the manufacture of corkscrews. The parts are all made separately, starting with the bell which is made from zinc and ground by a finishing machine.