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| IR light (ssn) | |||
| infrared light | |||
| infrared light (oleg.vigodsky) | |||
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| IR light (WiseSnake) | |||
| инфракрасный свет: 18 phrases in 11 subjects |
| Astronomy | 1 |
| Biotechnology | 1 |
| Geophysics | 5 |
| Laser medicine | 1 |
| Makarov | 1 |
| Mass media | 3 |
| Medical | 1 |
| Medical appliances | 1 |
| Security systems | 2 |
| Textile industry | 1 |
| Wood processing | 1 |