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I’d say that’s a faulty test if you have dipped it and nothing has come up in the control window. The purpose of the control window (the round one in this case) is to prove that the test is working correctly.
I agree with sw2
Replies
I’d say that’s a faulty test if you have dipped it and nothing has come up in the control window. The purpose of the control window (the round one in this case) is to prove that the test is working correctly.
I agree with sw2