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Season 20 · Episode 7

10.021mDecember 13, 2012
Heavy steel is bent, hardened and coated to form the shackle of a secure U-lock. Fabric coverings are measured and sewn to fit the supporting poles of tepees; layers of yeast dough and butter are repeatedly folded, shaped, proofed and baked into croissants; and durable cases are fitted with wheels, handles and internal frames to make rolling luggage.