How It's Made S25E13 — Traffic Signal Poles, Coffee Filters, Chainsaw Mining Machines

6.2

How It's Made•Season 25•Episode 13

Traffic Signal Poles, Coffee Filters, Chainsaw Mining Machines

6.2/10 · 19 votesJul 2, 201521 min

Ranked #9 of 11 in Season 25•−0.4 vs season avg

Metal tubes and structural sections are formed, welded, protected against corrosion and prepared to support traffic signals. Porous paper is formed, cut, pleated or crimped into disposable coffee filters, while heavy steel frames, drive systems and chains fitted with cutting teeth are assembled into machines

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E13 6.2Now viewing

Traffic Signal Poles, Coffee Filters, Chainsaw Mining Machines

Cast1

Lynne Adams

Lynne Adams

Narrator (voice)

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Episode Summary

"Traffic Signal Poles, Coffee Filters, Chainsaw Mining Machines" is episode 13 of How It's Made season 25. It scored 6.2/10 from 19 votes, ranking #9 of 11 episodes this season (season average 6.6). It aired on July 2, 2015.

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