Season 20 · Episode 12
Paper Fans, Walnut Oil, Copper
Decorated paper is cut, folded and mounted on slender ribs to create folding fans. Shelled walnuts are ground and pressed before their oil is filtered and bottled, while copper-bearing material is processed and refined before the finished metal is formed and drawn into useful products such as electrical wire.
Community
–
No ratings 0 likes
Log in to rate episodes.
Episode reviews
No reviews for this episode yet.