Some of the most significant special machines have been:
- LINES TO WELD TERMINALS OF ELECTRIC COILS WITHOUT PREVIOUS REMOVING OF THE INSULATING MATERIAL
- MACHINES TO WELD AND ASSEMBLE COMPONENTS FOR ARMORED ELECTRIC RESISTANCES
- MACHINES TO TAKE OFF THE SHEATH OF SHIELDED CABLES
- MACHINES TO MAKE ELECTROWELDED NAILS (2000 per min)
- MACHINES TO MAKE COMPACTED AND CUT COPPER PLAITS
- WELDING OF CONNECTIONS OF RICHARGEABLE PILES