Mining for Precious Metals explained: Gold, Silver, Platinum, Palladium
International Precious Metals Institute (IPMI)
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Mining for Precious Metals explained: Gold, Silver, Platinum, Palladium
79 873 просмотра · 12 лет назад
International Precious Metals Institute (IPMI)
10 тыс. подписчиков
79 873 просмотра · 12 лет назад
This is the 3rd video in a serious focusing on precious metals recovery from primary sources (ore).
ipmi.org
