Amazing Melting Pure Gold Technology - Modern Gold Coins and Bars Manufacturing Process after gold rush.
In this video:
1. Melting pure gold traditional process: www.soaccurate.com
2. Making gold bars in Uganda's African Gold Refinery: www.gold.africa
3. Gold and silver coin manufacturing process: www.mint.ca , www.perthmint.com , [a]www.usmint.gov[/a]
4. South African Gold Refinery.
5. Gold and silver vault: [a]www.usmint.gov[/a]
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