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| ángulo recto | |||
| right angle: 18 phrases in 12 subjects |
| Construction | 1 |
| Electronics | 1 |
| Hydrology | 1 |
| Information technology | 2 |
| Life sciences | 2 |
| Materials science | 1 |
| Measuring instruments | 2 |
| Mechanic engineering | 3 |
| Microsoft | 1 |
| Remote sensing | 1 |
| Transport | 2 |
| Water resources | 1 |
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