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musicall musicall
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6 years ago
How do water fluoridation systems prevent excess water fluoridation?
 
  A) A limited amount of fluoride is maintained in day tanks.
  B) Proper controls are used to feed fluoride from the hoppers to distilling tanks.
  C) Metering pumps
  D) All of the above
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DCAV1DCAV1
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6 years ago
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musicall Author
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6 years ago
Good timing, thanks!
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Thanks
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