Swiss Army Knives; Player Piano Rolls; Oil Tankers; Racing Wheels

May 08, 2009 on Science at 9:00 PM

Summary

This episode demonstrates the production processes for Swiss Army Knives, Player Piano Rolls, Oil Tankers, and Racing Wheels and shows how each is made.

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Bowling Balls; Barber Poles; Felt; Radar Guns
Season 13 Episode 4

May 15, 2009