... parts have: electrolysis cell, power system, gas/water separator, cooling system, safety system, gas cleaning system, electric control systems etc. And electrolysis ... . Jewelry soldering and melting 2. Glass flaming polishing3. Small enamelled wire welding4. Quartz glass tube sealing ( out ... diameter less than 10mm)5. Welding for small copper pipe6. Welding for thermocouple under 1.00mm7. ...