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| reconnaissance; investigations; surveying | |||
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| studies | |||
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| college | |||
| study | |||
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| research | |||
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| studio | |||
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studia : 74 a las frases, 12 temas |
| Agricultura | 1 |
| Ambiente | 2 |
| Construcción | 11 |
| Economía | 5 |
| Educación | 15 |
| General | 22 |
| Jurídico | 4 |
| Matemáticas | 4 |
| Medicina | 2 |
| Microsoft | 3 |
| Radio | 4 |
| Tecnología | 1 |