 |
| |||
| στάθμη ηχητικής έντασης | |||
| sound energy: 9 phrases in 4 subjects |
| Communications | 1 |
| Earth sciences | 3 |
| Industry | 1 |
| Physical sciences | 4 |
|
| |||
| στάθμη ηχητικής έντασης | |||
| sound energy: 9 phrases in 4 subjects |
| Communications | 1 |
| Earth sciences | 3 |
| Industry | 1 |
| Physical sciences | 4 |