Because a bullet-proof vest needs to be both flexible and solid at the same time - this is achieved by the chemical properties of the materials used in the construction of the vest.
No
no, it isn't. Kevlar is the material in bulletproof vests
The primary material used in bulletproof vests is Kevlar in several layers. There are many types of bulletproof vests, many of which include special inserts. The actual construction of bulletproof vests and other bulletproof clothing (they make bulletproof suit coats even!) is not really different than making other clothing items, but they adhere to a higher level of quality during construction.
yes they are
With bulletproof vests and AK47s.
Bulletproof vests are generally worn for personal protection against bullets. They are typically worn by members of police officer SWAT teams, security guards or patrol officers.
Bulletproof or "bullet resistant" vests are usually made from Kevlar. However they may also be made from Lexan or carbon fiber composites. It is also filled with three or four layers of those material.
yes depending on moisture and light they can dry rot in 3 years
They were all invented by women .
Yes they do but in wars all the way up to the Vietnam war they didn't.
What is a syllabus chemistery?" What is a syllabus chemistery?"
they were all invented by women