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| ultrarote Strahlen | |||
| infrarote Strahlen | |||
| Infrarotstrahlen m | |||
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| infrarotsignalen | |||
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rayons infrarouges : 31 phrases in 11 subjects |
| Agriculture | 1 |
| Automated equipment | 15 |
| Communications | 1 |
| Earth sciences | 3 |
| Electronics | 4 |
| Health care | 1 |
| Industry | 1 |
| Natural resourses and wildlife conservation | 2 |
| Natural sciences | 1 |
| Technology | 1 |
| Transport | 1 |