| Chapter Code | Chapter Description |
|---|
| 84621013 | HAMMERS : HEADERS & UPSETTERS |
| 84621014 | HAMMERS : DOUBLE ACTING COUNTER BLOW, AIR OR STEAM |
| 84621020 | HAMMERS : FORGING MACHINES |
| 84621019 | HAMMERS : OTHER |
| 84621030 | HAMMERS : DIE STAMPING MACHINES |
| 84615029 | CUTTING-OFF MACHINES : OTHER |
| 84621011 | HAMMERS : STEAM OR AIR, SINGLE FRAME |
| 84621012 | HAMMERS : STEAM OR AIR, DOUBLE FRAME |