811 — Mining- and mineral-processing-plant operators
| Código | Descripción |
|---|---|
| 8111 | Mining-plant operators |
| 8112 | Mineral-ore- and stone-processing-plant operators |
| 8113 | Well drillers and borers and related workers |
| Código | Descripción |
|---|---|
| 8111 | Mining-plant operators |
| 8112 | Mineral-ore- and stone-processing-plant operators |
| 8113 | Well drillers and borers and related workers |