816 — Power-production and related plant operators
| Código | Descripción |
|---|---|
| 8161 | Power-production plant operators |
| 8162 | Steam-engine and boiler operators |
| 8163 | Incinerator, water-treatment and related plant operators |
| Código | Descripción |
|---|---|
| 8161 | Power-production plant operators |
| 8162 | Steam-engine and boiler operators |
| 8163 | Incinerator, water-treatment and related plant operators |