 |
| |||
| υπέρυθρες ακτίνες | |||
| rayos infrarrojos: 20 phrases in 10 subjects |
| Agriculture | 1 |
| Communications | 3 |
| Earth sciences | 1 |
| Electronics | 3 |
| General | 4 |
| Industry | 3 |
| Life sciences | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 1 |
| Natural sciences | 2 |
|
| |||
| υπέρυθρες ακτίνες | |||
| rayos infrarrojos: 20 phrases in 10 subjects |
| Agriculture | 1 |
| Communications | 3 |
| Earth sciences | 1 |
| Electronics | 3 |
| General | 4 |
| Industry | 3 |
| Life sciences | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 1 |
| Natural sciences | 2 |