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S27:E6 Wooden Matches, Tillage Machines, Telescopic Gangways, Mabe Pearls
First Aired: April 04, 2016
Runtime: 21 min
Thin pieces of wood are cut, dried and coated with combustible compounds to produce matches. Heavy frames, discs and cultivating tools are assembled into agricultural tillage machines; nested structural sections and hydraulic systems create telescopic passenger gangways; and cultured half-pearls are grown against the inner surfaces of mollusc shells.
