46:04
Easy Gold From E-Waste: Jani's Gold Plated Pins #gold #chemistry #refining #ewaste #scrap
48:35
Easy Gold Recovery From Fingers #gold #goldrecovery #recycle
39:00
Gold & Silver Recovery From Bulk IC Chips part 1 #gold #silver #preciousmetals #ewaste #electronics
1:13:11
Attempting to recover gold contained in gold corner BGA bottoms
1:06:39