How to Extract Gold from a Circuit Board | Earth Science BBC Earth Science 4:05 6 years ago 1 678 731 Скачать Далее
Gold Mining: A Journey From A Billion Dollar Quarry To Marketplace Lord Gizmo 8:55 7 months ago 453 733 Скачать Далее
Extracting Gold with Cyanide: How gold is recovered from ores using cyanide to capture it Chris Ralph, Professional Prospector 40:50 1 year ago 44 164 Скачать Далее
How to Extract Gold from a Circuit Board - Bang Goes the Theory - BBC BBC Studios 4:05 11 years ago 145 239 Скачать Далее
Gold Mining, Gold Milling, & Gold Refining: The Full Process mbmmllc 1:33:53 1 year ago 822 262 Скачать Далее
What’s CIP and CIL gold extraction process?#mining process #extraction of gold Jinchan Gold Dressing Agent Official 1:47 1 year ago 10 074 Скачать Далее
Newmont Mining Corporation: How Gold is Made Newmont Corporation 15:15 9 years ago 569 466 Скачать Далее
Gold mining: Gold Extraction from stones with Hydrogen Peroxide and Hydrochloric Acid GRH channel 8:04 10 months ago 44 367 Скачать Далее