Discovery UK | How Cyanide Helps Produce 98% Pure Gold #GoldRushParkersTrail #Shorts @DiscoveryTV | Uploaded 1 month ago | Updated 21 hours ago
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Parker learns how 98% pure gold is produced with the help of cyanide #GoldRushParkersTrail #DiscoveryUK

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From season 7 episode 6.

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