6.0 Criminology Review writes: "Let's consider a few example: about liquid sample, you first type a cotton swab in an adhesive gel dipping. You dragged the rod there, hold L or R in a meter run. You should not be too short nor too long, dipping, because it breaks the rod. Where no problems. Then you need the stylus to rub the liquid place to make enough material to get. This is a time bound activity. It is never clear how much material is enough or how long you should rub. Sometimes you do not have enough for you before the expiry of the timer stops, then breaking the stick again if you go too long."

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