| 3111 |
Chemical and physical science technicians |
| 3112 |
Civil engineering technicians |
| 3113 |
Electrical engineering technicians |
| 3114 |
Electronics engineering technicians |
| 3115 |
Mechanical engineering technicians |
| 3116 |
Chemical engineering technicians |
| 3117 |
Mining and metallurgical technicians |
| 3118 |
Draughtspersons |
| 3119 |
Physical and engineering science technicians not elsewhere classified |