CodysLab

Precious Metal Refining & Recovery, Episode 3: Karat Gold (2016x16)

Data emisji: Lut 13, 2016

I destroy some jewelry and extract the gold from it. Link for digital copy of book: http://goldrefiningforum.com/~goldref... (Note you need to be a member of the gold refining forum, but its well worth it) Gold Refining forum: http://www.goldrefiningforum.com/ Help me make videos by donating here: https://www.patreon.com/CodysLab