21:01

Smelting Silver Ore & Refining

43:51

Gold Plated Pins 10 POUNDS!

13:57

Mon méga écluse DIY a récupéré tellement d'or dans la rivière !

25:41

Silver Smelting & Refining From Film With Ancient Techniques

21:50

Gold Recovery & Refining with Hydrogen Peroxide, Easier Gold Smelting

42:32

A scrappers guide to micro scrapping - precious metals from ewaste

23:09

Turning E-Waste Into Cash! Smelting Gold & Silver From Circuit Boards

12:18

Massive Can Meltdown - How Much Pure Aluminum Is In 500 Cans - Is It Worth Melting Aluminum Cans