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S7:E10 Firefighter Helmets, Nautical Compasses, Packaging Tubes, Hand Saws
First Aired: November 07, 2006
Runtime: 21 min
Impact-resistant shells and protective liners are assembled into firefighter helmets, magnetized components are balanced inside nautical compasses, layers of paperboard are wound into packaging tubes, and steel blades are cut, toothed and fitted with handles to make hand saws.
