Aired Saturday March 2, 6:30am - 7:00amon Quest +1

How It's Made

Series 25 Episode 13: Traffic Signal Poles, Coffee Filters, and Chainsaw Mining Machines

See how traffic signal poles, coffee filters, and chainsaw mining machines are made.

Documentary / Science
Original air date
Cast and crew
  • Lynne AdamsHost
  • Brooks MooreNarrator