In addition to encrypting tests so that they cannot be read by students until exam time, the software goes into "lock-down" mode, preventing students from opening other applications, like Internet browsers, while taking a test.
Disaster preparedness from schools which immediately go into lock down, or hospitals all hands on deck codes, to evacuation routes and shelters of last resort, the art and science of mass fatality management has improved immensely.
Journalists at the scene say tear gas and water cannons have been used, after the US embassy went into lock-down mode as crowds demonstrated outside.
As I slipped through the gate into the throng of smoke bombs, sirens and crash barriers, I got a text saying the building I was fleeing had itself gone into lock-down as a result of the scrum outside it, which had now been enhanced by me.
Over the past week, he and his closest advisers went into lock-down.
Look at how the small spring goes into the lock leaver and the small notch cut in it.
Through experimental research, we can derive the experimental explanations of actual pipe depth the coiled tubing goes into, buckling, lock-up, release, etc.
If you're fighting someone and he is very close to you, go into Armor Lock and come out of Armor Lock in one second, when you come out of armor lock an EMP blast will take out an enemies shields if they are to close!
The show I was working on was an episode in which the Department of Social Affairs and Citizenship goes into a temporary lock-down when it's surrounded by the media outside.
His father coped by going into "emotional lock down".
