| reference frequency | |
| commun. el. | referencefrekvens |
|
stabilised : 52 phrases in 12 subjects |
| Chemistry | 3 |
| Communications | 2 |
| Earth sciences | 2 |
| Electronics | 26 |
| Environment | 1 |
| Industry | 1 |
| Mechanic engineering | 3 |
| Medical | 2 |
| Metallurgy | 1 |
| Technology | 4 |
| Transport | 6 |
| Waste management | 1 |