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| летучая почта | |||
| служба коммутируемых сообщений (для лиц с нарушением слуха valambir) | |||
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relay service : 28 phrases in 12 subjects |
| Astronautics | 4 |
| Communications | 1 |
| Computer networks | 2 |
| General | 3 |
| Makarov | 1 |
| Mass media | 3 |
| Medical | 1 |
| Military | 1 |
| Nanotechnology | 4 |
| Non-destructive testing | 1 |
| Technology | 3 |
| Telecommunications | 4 |