Hello, friends! This video shows how to extract gold from test probes pins. -recovery and refining and smelting-Channel development / support: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=6BBSP47DLL7BS&source=url Subscribe my channel: https://www.youtube.com/channel/UCq2B0jxE2p7ygVxbHQziXtw/featured?view_as=subscriber #goldrecovery #probepins #refining