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| ραδιενέργεια m | |||
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aktivita : 45 phrases in 12 subjects |
| Chemistry | 3 |
| Construction | 1 |
| Earth sciences | 1 |
| Economics | 2 |
| Environment | 9 |
| Health care | 6 |
| Microsoft | 17 |
| Nuclear physics | 1 |
| Obsolete / dated | 1 |
| Physical sciences | 2 |
| Politics | 1 |
| Research and development | 1 |