Silver From Tantalum Capacitors part 3 #silver #chemistry #preciousmetals #refining #scrap
12:40
Converting Silver Nitrate into Metallic Silver With Lye (Sodium hydroxide) and Sugar
53:01
Recuperação de ouro e prata de chips IC a granel, parte 2 #ouro #prata #metaispreciosos #resíduos...
9:05
MAGNUS CARLSEN enfrenta o agressivo WEY YI no 2o dia de CLÁSSICAS
26:33
Pesando uma carga de sucata para pagar o cliente | Lotsa Copper!
18:02
Refining Copper and Silver Will Save Your Acid One Day
36:34
Silver Recovery From Tantalum Capacitors part 1 #silver #chemistry #preciousmetals #refining #scrap
12:36
Making Aniline from "Vit. B10"
1:14:37