Precious Metal Refining & Recovery, Episode 17: Teeth
16:36
Metal Refining & Recovery, 18: Lead Free Solder
19:08
Metal Refining & Recovery, Episode19: Gold From Mercury
17:54
Aluminum From Dirt
17:14
Codys Mine Part 16: Extracting Metal (Precious metals episode 15)
16:35
Metal Refining & Recovery, Episode 22: 15,500$ in Gold?
16:00
Pure Gold Bar From My Waste Containers
21:32
Metal Refining & Recovery, Episode 24: Re-Refining Gold Using Bromine
20:12