15:32

Silver Refining

17:03

¡Éxito experimental con celdas de plata! ¿Qué tan pura es?

15:11

How I went from THE CABLE GUY to THE GOLD GUY

44:25

Method for Recovering Silver From Silver Plated Items

44:32

GOLD REFINING | 1/3 oz of PURE GOLD from my Gold Refining Trash