Is the bulletproof helmet bulletproof? Of course, it’s bulletproof. At least most military helmets have no problem in resisting hand bullets. As for rifle bullets, that’s another thing.
Soft bulletproof vests According to the difference of material and protective ability, bulletproof vests can be divided into soft bulletproof vests and hard bulletproof vests. Soft bulletproof vests have no bulletproof inserts, but only rely on the deformation of bulletproof fibers (high-performance polymer fiber materials, such as Kevlar fibers) to resist the impact of bullets. …
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