How It's Made S6 · EP8
Fiberglass Insulation, Wooden Ducks, Gumball Machines, Exhaust Systems
7.7 · 2001 · Documentary · ~21m
Molten glass is spun into fibreglass insulation, wood is carved and painted into decorative ducks, dispensing mechanisms are installed in gumball machines, and formed metal pipes and mufflers are assembled into automotive exhaust systems.
