Sign up for an Award
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
The smooth surface of the needle will reflect the color of the surrounding environment
It is not easy to see that it hurts and hard to find it on the ground
It is easy to see when you use it and easyto find it on the ground
Designing:By adding color to half of the needle, the use of easy to see will not
hurt the hand, falling to the ground is also easy to find it.
XiaMen Institute Of Technology