| ELECTRIC ARC WELDING EQUIPMENT (3431) |
| ELECTRICAL AND ULTRASONIC EROSION MACHINES (3410) |
| GRINDING MACHINES (3415) |
| MACHINE TOOLS, PORTABLE (3450) |
| MISCELLANEOUS MACHINE TOOLS (3419) |
| MISCELLANEOUS WELDING, SOLDERING, AND BRAZING SUPPLIES AND ACCESSORIES (3439) |