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Sea Shells @EyesWideOpen

Sea Shells
@EyesWideOpen

1, 515 Following
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Carol Roberts @InHisHolyName

Carol Roberts
@InHisHolyName

Jesus is my Savior. Love my husband & America. Dog lover. RN. Constitutional conservative. Love Trump. Followed by Flynn on Twitter.

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1, 228 Followers
In response Sea Shells to her Publication

Most likely those are controls for testing the machines for accuracy. In medical facilities it is required to test daily for accuracy. For instance glucose monitoring machines are tested with a positive and negative solution to make sure the machine registers these correctly.


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Mary Smith @Deplorable_M

carol is 100% correct.

In response Carol Roberts to her Publication

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