S12E12 — Escalators, Kevlar Canoes, Goat Cheese, Disc Music Boxes
Linked steps, drive chains and safety systems are assembled into escalators, layers of Kevlar fabric and resin are molded into lightweight canoes, cultured goat milk is processed and aged into cheese, and pinned metal discs operate the mechanisms inside disc music boxes.
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Préparation du lecteur…
Lecteur Gratuit
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