 |
optinen | tiheys
| tiheys | |
| gen. | densitate de acoperire |
| environ. | densitate |
| optinen: 9 phrases in 6 subjects |
| Economy | 3 |
| Energy industry | 1 |
| Natural sciences | 1 |
| Physical sciences | 2 |
| Technology | 1 |
| Transport | 1 |