How to Extract Gold from a Circuit Board | Earth Science BBC Earth Science 4:05 5 years ago 1 629 619 Скачать Далее
How to extract and refine gold from old computer parts. Philip Bender 38:36 5 years ago 3 320 488 Скачать Далее
How to Extract Gold from a Circuit Board - Bang Goes the Theory - BBC BBC Studios 4:05 11 years ago 144 073 Скачать Далее
Nokta NOMADS Panning for Gold at Crisson Gold Mine - Dahlonega, GA Southern Relics 10:18 2 days ago 199 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 39 564 Скачать Далее
How to extract gold at home , making gold at home . part 2 [gold stone channel] Golden Science 24:19 1 year ago 20 484 Скачать Далее
From Solid Rock to Gold! | Mining Hard Rock Gold Ore Spud Engineering 11:27 1 year ago 37 809 Скачать Далее
Gold Recovery & Refining with Hydrogen Peroxide, Easier Gold Smelting mbmmllc 21:50 3 years ago 562 275 Скачать Далее
Gold Recovery 10 Pounds Gold Plated Pins In Under 3 Minutes sreetips 2:50 2 years ago 2 553 781 Скачать Далее
DIY Gold Mining - Crushing Quartz to Extract Gold Vo-Gus Prospecting 16:26 1 year ago 150 752 Скачать Далее
Easy DIY Gold & Silver Refining Process At Home, No Acids. Remove Base Metals By Cupelling MBMM mbmmllc 6:50 4 years ago 366 196 Скачать Далее
