| 29 / | HD | METAL WORKING |
| 592 | DF | METHOD OF MECHANICAL MANUFACTURE {54} |
| 897 | ![]() | .~ Structural member making {4} |
| 897.1 | DF | .~.~> Restoring existing member, e.g., reinforcing, repairing |
| 897.15 | DF | .~.~> Grille making |
| 897.2 | DF | .~.~> Vehicular structural member making |
| 897.3 | DF | .~.~> Static structure, e.g., a building component {5} |