How to Refine and Melt Platinum - Tutorial part 2 indeedItdoes 7:26 13 years ago 283 285 Далее Скачать
Gold Refining Tutorial Part 2 - Inquarting Scrap 14K Gold Jewelry with Silver indeedItdoes 9:31 14 years ago 120 538 Далее Скачать
Refining Palladium, Gold and Silver alloyed with Tin, Lead and Copper OwlTech 58:26 2 years ago 88 817 Далее Скачать