Pistons, Paint Rollers, Parachutes, Chimneys

How It's Made poster
How It's Made
6th February 2007 21 mins Season 8 Episode 6

Metal blanks are cast or forged and precisely machined into engine pistons, absorbent material is formed around cylindrical paint-roller cores, strong lightweight fabric is cut and sewn into parachutes, and metal sections are shaped and joined into chimney systems.

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