| 811 |
Mining- and mineral-processing-plant operators |
| 812 |
Metal-processing-plant operators |
| 813 |
Glass, ceramics and related plant operators |
| 814 |
Wood-processing- and papermaking-plant operators |
| 815 |
Chemical-processing-plant operators |
| 816 |
Power-production and related plant operators |
| 817 |
Automated-assembly-line and industrial-robot operators |