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Precious Metal Refining
- Do-It-Yourself Precious Metal Refining
- Large Scale Gold Refining By the Aqua Regia Acid Method
- Silver Refining using Acid
- Refining Platinum with Aqua Regia
- How to Refine Gold by the Acid Method
- Refining Gold From Circuit Boards and Electronic Scrap with Muriatic & Subzero
- The Simplicity Refining System
Precious Metal Recovery
Precious Metal Testing
Pumps & Filtration
Watch & Clock Repair
Grinding & Polishing
Vibratory & Tumbling
Cutting & Engraving
Casting & Investment
- A Brief Description of the Lost-Wax Casting Process
- Vacuum Casting Machine
- ProCraft Vacuum Machine for Investing and Casting
- Casting with the Stones
- Shor Motorized Casting Machine
- Shor-Kerr Platinite PT
- Investment Mixing & Burnout
- Platinum Investment
- Reducing Polishing Sweeps To Metal