The method of editing the gauze
You can find a lighter, with the fire you buy the gauze, [2] after burning, you can hand twist about the burning of the ash
Gauze will be divided into two gauze, cotton gauze, polyester and cotton gauze two, if the time to buy how to distinguish it, to provide a way for everyone:
. If it is gray, then that is pure cotton gauze; if burned after a small particle, it proved not cotton, may be polyester-cotton
This method is very simple, only need to take the individual two minutes, you can judge it.
