| reference frequency | |
| commun. el. | συχνότητα αναφοράς |
|
stabilised : 38 phrases in 11 subjects |
| Astronautics | 1 |
| Chemistry | 3 |
| Communications | 1 |
| Earth sciences | 1 |
| Electronics | 18 |
| Industry | 1 |
| Mechanic engineering | 3 |
| Metallurgy | 1 |
| Technology | 2 |
| Transport | 6 |
| Waste management | 1 |