icon-close icon-dropdown-arrow icon-edit icon-google-play icon-ios icon-key icon-live-tv icon-my-videos icon-navigation-arrow icon-preview-with-circle icon-preview icon-search icon-showinfo icon-showlistings-player icon-watchlist-add Layer 1 icon-watchlist-remove

SIGN IN WITH YOUR TV PROVIDER

You’re just a few clicks away from the show you want to watch. Please sign in with your TV provider to watch this episode and other great programs.
Now Playing
How It's Made

Suits of Armor, Street Light Poles, Membrane Switch

Season 3 Episode 8
Find out how suits of armor are constructed, how street light poles are erected, how poles are bent, and what goes on in a membrane switch.
  • 22 min
  • TV-G
  • Premiered 11/03/2006