| 1. | There are three interproximal embrasure types or classes as described below:
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| 2. | The six-inch guns in the hull embrasures were unprotected.
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| 3. | Some have a low entrance that allows an extra embrasure above.
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| 4. | Occasionally, there are two embrasures in one of the walls.
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| 5. | Originally it was fortified, as witnessed by its preserved embrasures.
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| 6. | Again it was rebuilt and equipped with embrasures for artillery pieces.
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| 7. | The upper parapet was seven courses high and had five embrasures.
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| 8. | The English crew returned fire from the embrasures below deck.
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| 9. | Embrasures were frequently fitted with a steel or concrete-asbestos shutter.
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| 10. | The embrasures are suitable for rifles or light machine guns.
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