But at the main doors recently, students waiting to pass through metal detectors were quiet and orderly.

Their bags were examined, and they passed through metal detectors.

To enter the building, people must pass through metal detectors.

People had to pass through metal detectors to get in.

You will be required to pass through building security screening and metal detectors Weapons are prohibited.

Its 1,400 students pass through metal detectors each day.

My daughter had only me, and she would have to spend the first years of her life passing through metal detectors.

Back then, you did not pass through metal detectors to enter school buildings.

Students must pass through metal detectors as they enter the school.

There is an obvious response to the problem: Make guards pass through metal detectors before they go on duty.