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Reflectance : 30 phrases in 12 subjects |
| Antennas and waveguides | 1 |
| Chemistry | 2 |
| Communications | 1 |
| Earth sciences | 5 |
| Electronics | 1 |
| Industry | 5 |
| Lighting other than cinema | 4 |
| Measuring instruments | 1 |
| Natural sciences | 1 |
| Technology | 5 |
| Transport | 3 |
| Wood processing | 1 |