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How It's Made · S04E06

Brushes and Push Brooms, Blackboards, Smoked Salmon, Zippers

Still from How It's Made S04E06

Summary

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.