| 31. | The ship carries four reverse-osmosis water-purification systems, each capable of processing of fresh water per day.
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| 32. | It was a leader in the bio-instrumentation field where it made biomolecule purification systems for protein analysis.
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| 33. | This is a stretch, but some water purification systems in dental equipment may contain activated charcoal filters.
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| 34. | The purification system was a slow sand filter design that became obsolete by the late 20th century.
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| 35. | Children take water from faucets attached to a new water purification system installed by Doctors Without Borders.
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| 36. | The purification system cost about 2 . 4 billion lire ( dlrs 1 . 4 million ).
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| 37. | Chisso installed a Cyclator purification system on December 19, 1959, and opened it with a special ceremony.
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| 38. | "We've invested in an air purification system like the one they have on the Space Shuttle ."
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| 39. | "Now we will be able to compete globally in providing hi-tech water purification systems, " said Wee.
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| 40. | Since then, Yao study group has considered designing new purification systems to conserve Japanese native rosy bitterlings.
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