| 11. | The Tripod is fixed with midsized pin piles at the sea bed.
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| 12. | It had an acidic stain from the sea bed.
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| 13. | May the sea be not wild, just wet.
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| 14. | It had been located Friday on the sea bed.
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| 15. | This species excavates elaborate vertical burrows up to long in the sea bed.
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| 16. | The sea bed and rocky shelves of the island are teeming with life.
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| 17. | At the same time, the sea bed around the wharf was scooped.
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| 18. | In the evening, they put grey ceramic pots on the sea bed.
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| 19. | When they settle on the sea bed, they undergo metamorphosis into polyps.
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| 20. | During construction the sea bed gave way and one of the tunnels was flooded.
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