https://www.tmj4.com/news/national/150-pound-bullet-resistant-doors-installed-in-nj-ny-classrooms
150-pound bullet-resistant doors installed in NYC classrooms
Aug 22, 2019 - The doors weigh 150 pounds and cost $2,500 each.
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https://bullisticbarriers.com/
Bullet Resistant Fences, Garage Doors & More - Bullistic Barriers
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https://forward.com/fast-forward/429386/anti-semitism-mass-shooting-jewish-school/
Brooklyn Jewish Schools Install Bullet-Resistant Doors
Aug 13, 2019 - In the wake of mass shootings, more than 50 Jewish schools and synagogues in Brooklyn will install bullet-resistant doors.
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