BBCNEWS BBC News at One March 21, 2022 13:28:00
Over a series of steps, chemicals extract whats inside. what comes out is this brown powder. its then heated for 30 minutes at more than 1,000 celsius, and the end result becomes clear — its pure gold. were hoping to recover all of the metals on the board, primarily gold to start with, but were looking at copper, nickel, tin, particularly tin, and some silver. its set to provide a new source of materials for the royal mint�*s main business, making coins. this whole space is about to be trans...
Source: archive.org