Yes, it doesn't automatically regenerate, like water, wind or sunshine.
Stefan Kevlar
The protective plates, depending on the age of it, will be steel, ceramics, or kevlar.
KEVLAR! KEVLAR!
why do lumberjacks wear kevlar
kevlar used
what is the Kevlar stock symbol
1927 kevlar was invented by stephanie kwolec
...Kevlar
She created kevlar in 1965
Kryptonite Kevlar
It depends on the rating of the Kevlar.