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| образцы грунта (The three occupants wearing silvery jumpsuits were seen obtaining samples of soil near Mrs. Hatton's house for about an hour, then they entered their craft and left. ART Vancouver) | |||
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| проба почвы | |||
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samples of soil : 8 a las frases, 6 temas |
| Agroquímica | 1 |
| Ecología | 1 |
| Espacio | 1 |
| Makárov | 3 |
| Minería de oro | 1 |
| Recursos naturales y conservación de la vida silvestre. | 1 |