RE: How to separate gold from mobile phone motherboard
You are viewing a single comment's thread:
I remember in the 90s. in front of the markets were buyers of radio components with gold elements, it was like the wild west). And, from blunder pencils, which were sold in a pharmacy, as a remedy for warts and from x-rays and photographic film, silver was mined).
Posted Using LeoFinance Beta
0
0
0.000
Gold and silver seem to have been used in various circuits for a long time
At that time, there were no computers, but there were transistors...then little attention was paid to lead and copper, which skyrocketed in price.
Posted Using LeoFinance Beta