How important is sharpness to the safety of children and what is the function of the sharp edge tester?

Sharp objects can be seen everywhere in our life, such as knives, broken glass, etc., 

which may hurt us, especially young and ignorant children, they often touch and 

touch different things, so when buying products, We need to know whether the product

 has sharp edges and whether the fragments generated after breaking will harm us, 

especially the safety of children. The sharp edge tester is an instrument used to 

determine whether the edge of a toy or item is a sharp edge with an unreasonable 

risk of injury. It conforms to the EN71-1 standard and plays an important role in 

testing the sharpness of the product and reducing the physical injury of the product 

to the human body.

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