| grad | |
| IT | arity |
| lab.law. | factor grade |
| phys.sc. tech. mech.eng. | degree |
| stat. econ. scient. | grade |
| grader | |
| construct. | tractor leveller; blade-type grader; land grader and leveller; terracer |
| industr. | grader; leveller |
|
90-graders : 20 phrases in 6 subjects |
| Agriculture | 1 |
| Chemistry | 6 |
| Construction | 2 |
| Industry | 9 |
| Municipal planning | 1 |
| Transport | 1 |