The Incredible Process of Gold Extraction! | Hoffman Family Gold | Discovery Discovery 1:00 1 year ago 75 518 Далее Скачать
You Can Always Find Gold On The Fraser River! Dan Hurd (Dan Hurd Prospecting) 1:00 2 years ago 12 806 199 Далее Скачать
How To Recover Super Fine Gold, Fastest Way To Gold Bars mbmmllc 14:56 4 years ago 250 163 Далее Скачать
Cleaning fine gold from black sands. Method #2 (Tapping the gold pan) Dan Hurd (Dan Hurd Prospecting) 18:13 5 years ago 55 986 Далее Скачать
How to Extract Gold from a Circuit Board | Earth Science BBC Earth Science 4:05 6 years ago 1 725 039 Далее Скачать
Alluvial Gold Prospecting - How to Capture Superfine Gold Suspended in Solution Aussie Bloke Prospector 9:40 6 years ago 100 439 Далее Скачать
Separate fine gold from pesky black sand with just a pan! #goldmining #goldprospecting #goldpanning Emily Riedel 0:51 1 year ago 197 271 Далее Скачать
Refining and Pouring Gold #preciousmetals #art #science Lithic Metals 0:58 1 year ago 4 849 444 Далее Скачать
