bulletproof vest

Wikipedia 有防彈衣bulletproof vest條。
既然子彈bullet 是16世紀開使用的， bulletproof vest 也幾乎同時誕生：
參考下一詞條之history部分：
https://en.wikipedia.org/wiki/Bulletproof_vest

puddle, dabble, centrifuges, watertight, bullet-proof

https://plus.google.com/111288117191132115970/posts/PVPbEnAzg6i

Hanching Chung - Shared privately

Jan 10, 2013 - puddle, dabble, centrifuges, watertight, bullet-proof

Let’s add some color to these famous historical photos (37 photos)
W.H. Murphy testing the bulletproof vest in 1923
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