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How It's Made
Season 8 · Episode 6
Pistons, Paint Rollers, Parachutes, Chimneys
10.021mFebruary 6, 2007
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.