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Season 29 · Episode 13

10.021mMay 8, 2017
Steel hemispheres are formed, welded together, heat-treated, engraved and balanced to produce pétanque balls. Living cells are cultivated under controlled conditions before the resulting biologic medicines are purified and formulated; conveyors, augers, engines and adjustable screeds are assembled into asphalt pavers; and coiled jute soles are stitched to fabric uppers to make traditional Basque espadrilles.