What are three recommendations that you would keep in mind while testifying in court that would help the judge and jury understand your testimony and make the examiner come across as professional?

In accredited laboratories, there are verifications, administrative reviews, and technical reviews. Please describe the function that each of reviews serves. What is the significance of these actions and why are they important from the court testimony perspective? How and why would these reviews help the examiner convince the jury that work that has been done is legitimate?