Precious Metal Refining & Recovery, Episode 13: Platinum From Spark Plugs
10:19
Precious Metal Refining & Recovery, Episode 14:Gold From Dishes
20:17
Metal Refining & Recovery, Episode 23: Recovering Inquart Silver
1:18:57
Platinum, Palladium, AND RHODIUM from Catalytic Converters!
24:49
Refining Precious Metals To Pure Gold & Silver
12:01
Ce petit moteur grogne comme une bête (montage & démarrage)
12:37
Smelting Catalytic Converters, Platinum, Palladium, & Rhodium
14:37
Récupération d’argent de la batterie de montre | Recyclage des piles de montres
22:54