| 1. | Wetlands are also valuable for purifying drinking water and flood control.
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| 2. | There will be no cleansing and purifying of the audience here.
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| 3. | Chlorine dioxide is also used in bleaching paper and purifying water.
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| 4. | Latrines, water-purifying systems and work facilities are included.
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| 5. | Systems for purifying drinking water and processing sewage do not work.
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| 6. | The troops in Samawah have been rebuilding infrastructure and purifying water.
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| 7. | Carp has contributed to purifying and renovating our literary language ".
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| 8. | He also patented an improved process for extracting and purifying salt.
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| 9. | It aims at reaching and purifying the deeper levels of existence.
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| 10. | He showed a method of extracting and purifying salts from urine.
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