-Examine the lesion characteristics, which is the biggest wound and the mouth of the Body is most likely to fall of the workpiece, make the rubber to hit any body or mouth with force is the workpiece.
- Check the appearance scars Which is wound around the mouth, and is likely to fall Body parts made of rubber to hit the mouth of the body or with force to act the part.
Check the wounds, which is a big wound and the area that Body mouth caused the fall of ชิ้นงานทำให้ rubber hit the mouth body or has the power to do work.