National Yunlin University of Science and Technology
등록번호
등록일
2014-12-15
The Utility Knife often accompanied on ruler with the aid of use.But accidents are often accompanied by ruler to produce.When using the utility knife on blind spots , The user does not pay attention to self fingers when exposed to the risk is aligned scale. The longer the cutting path, the higher the probability of an accident.The effect of the use of rubber with friction.Use of rubber material to resist loosening.Protect the user when cutting accidental harm.