1) wipe the table clean and wear gloves. To clean the steps do slide thick & thin film
2) choose blood weak hand by puncture, only the middle finger and ring finger only
.3 wipe the finger with alcohol. Prepare for the puncture needle finger. Then press the needle to the finger and the drill. Then wipe the first blood out. Then the small glass tube liquid to drain from the fingers.4) when blood in vitro, crystal, the tilted back and forth. In order to anticoagulation in the glass coating to prevent blood clotting
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