How It's Made · SEASON 4
Brushes and Push Brooms, Blackboards, Smoked Salmon, Zippers
Episode 6 · 2004-02-08

- Documentary
Episode overview
Bristles are inserted and secured in handles and blocks to produce brushes and push brooms, smooth writing surfaces are manufactured into blackboards, salmon is cured and smoked, and interlocking teeth are attached to fabric tape to make zippers.
21 minutes
Season 4 episodes
1. Plastic Bottles and Jars, Mail, Eggs, Handcrafted Wooden Pens2004-01-04
2. Plastic Injection Moulds, Automotive Oil Filters, Filing Cabinets, Blown Glass2004-01-11
3. High-Precision Cutting Tools, Stained Glass, Semi-Trailers, Recorders2004-01-18
4. Conga Drums, Metal Plating, Buttons2004-01-25
5. Grinding Wheels, Compost, Window Blinds, Milk2004-02-01
6. Brushes and Push Brooms, Blackboards, Smoked Salmon, Zippers2004-02-08
7. 3D Commercial Signs, Hardwood Floors, Corrugated Polyethylene Pipe, Mattresses2004-02-15
8. Ceramic Tiles, Nuts, Steel Forgings, Skateboards2004-02-22
9. Car Engines, Flour, Recliners, Envelopes2004-02-29
10. Plastic Cups and Cutlery, Special Effects Makeup, Gold, Harps2004-03-07
11. Countertop Laminate, Frozen Treats, Children's Building Blocks, Detergents2004-03-14
12. Architectural Moldings, Pulleys, Industrial Rubber Hose, Sheet Vinyl Flooring2004-03-21
13. Putty Knives, Garage Doors, Electric Motors, Wool2004-03-28