How It's Made Season 13 Episode 2 Carbon Fiber Bicycles, Blood Products, Forged Chandeliers, Ballpoint Pens ( Air Date 2009-05-01 ) Genre Documentary category. Overview "Carbon-fiber layers are molded and cured into lightweight bicycle frames, donated blood is separated into medical products, heated metal is forged and assembled into chandeliers, and ink reservoirs and writing tips are installed in ballpoint pens.".