English 
Usually, the shell of the helmet is made of high-strength materials, such as metal, engineering plastics, Kevlar fiber, etc., through its deformation to absorb most of the impact; the lining material has the ability to absorb sweat, keep warm, and absorb shock. Military helmets often have the functi
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CE EN 1078 is the mandatory European safety standard for helmets used in cycling, skateboarding, and roller skating. It sets requirements for helmet construction, impact absorption, and retention system strength, and any helmet sold in the EU for these activities must carry a CE mark backed by EN 10
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CPSC 1203 is the mandatory federal safety standard that every bicycle helmet sold in the United States must meet, enforced by the U.S. Consumer Product Safety Commission. It requires helmets to pass four core tests — peripheral vision, positional stability, retention system (chin strap) strength, an
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