How It's Made S13E02 · Carbon Fiber Bicycles, Blood Products, Forged Chandeliers, Ballpoint PensCarbon Fiber Bicycles, Blood Products, Forged Chandeliers, Ballpoint Pens

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.