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| |||
| pitching; riprap; array of blocks; array of stones; set rubble stone; placed stone facing; stone facing; stone paving; stone pitched facing; stone pitching; paving | |||
| blind area | |||
| apron | |||
| stone heaping (high-water defence) | |||
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perre : 24 a las frases, 5 temas |
| Ciencias de la vida | 6 |
| Construcción | 11 |
| Geología | 1 |
| Tecnología | 1 |
| Transporte | 5 |