| 2141 |
Architects, town and traffic planners |
| 2142 |
Civil engineers |
| 2143 |
Electrical engineers |
| 2144 |
Electronics and telecommunications engineers |
| 2145 |
Mechanical engineers |
| 2146 |
Chemical engineers |
| 2147 |
Mining engineers, metallurgists and related professionals |
| 2148 |
Cartographers and surveyors |
| 2149 |
Architects, engineers and related professionals not elsewhere classified |