| 21. | A liner would stop this erosion, and will also reduce or stop the efflorescence.
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| 22. | A : The white powder is efflorescence.
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| 23. | The houses are channels for romantic efflorescence.
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| 24. | In other words, it could be efflorescence, lime being leached out by water.
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| 25. | However, if the source of the water penetration is not addressed efflorescence may reappear.
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| 26. | Salt efflorescences of calcium carbonate were treated by the application of a solution of dimethylformamide.
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| 27. | Not all species of " Vermilacinia " that produce the diterpene exhibit efflorescence.
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| 28. | In addition, white crusts and efflorescences appear on the lower sections of these walls.
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| 29. | Some 24 tiles are involved, and there is efflorescence ( white powder ) under them.
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| 30. | A : Chances are your problem is caused by dampness that creates efflorescence in that wall.
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