Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
In part due to the horrific shooting, halting a gunman's access to a school has taken on increased importance, which has seen auto-locking doors take effect across the nation.
The bullet proof material is usually made out of polyethylene fiber, a thin, flexible material that has the ability to stop a gunman's fire.