Answers

2016-06-29T04:43:21+08:00
<B>you mean Tried?</B> ...  if you push the plunger really hard air will come out and push your finger a little until all the air comes out....   <U>and if you push your finger that's covering opening of the syringe harder ... when u push the plunger it will move back to where it was...</U>
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