WatchTrove

How It's Made · S24E03

Upright Pianos, Flags, Wet/Dry Vacuums, Medieval Axes

Still from How It's Made S24E03

Summary

Wooden cases, soundboards, strings, keys and intricate action mechanisms are assembled and regulated to create upright pianos. Fabric is printed or sewn into flags; motors, filters and collection tanks are combined in wet/dry vacuums; and forged steel axe heads are hardened, sharpened and mounted on wooden handles.