How to Extract Gold from a Circuit Board | Earth Science BBC Earth Science 4:05 5 years ago 1 653 776 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 41 859 Скачать Далее
How to Extract Gold from a Circuit Board - Bang Goes the Theory - BBC BBC Studios 4:05 11 years ago 144 720 Скачать Далее
E-waste GOLD Recovery | Recycle Broken Electronics! Black Beard Projects 12:07 2 years ago 777 831 Скачать Далее
Gold mining: Gold Extraction from stones with Hydrogen Peroxide and Hydrochloric Acid GRH channel 8:04 9 months ago 41 144 Скачать Далее
From Solid Rock to Gold! | Mining Hard Rock Gold Ore Spud Engineering 11:27 2 years ago 39 996 Скачать Далее
Gold Mining, Gold Milling, & Gold Refining: The Full Process mbmmllc 1:33:53 1 year ago 777 598 Скачать Далее
