According to him, the system was to be activated only during a crisis.

From 1950 to 1953, the unit activated for services in Europe during the cold war.

They are all expected to be activated sometime during 2013.

It was only activated during the creation of future events.

These meters are only activated during the morning rush hour.

Various regions of both the right and left hemisphere activate during language production.

Note: the disco ball is activated during private parties only.

In many cases, these scholarships can activate during the same term as nomination.

They differ from army reserves who are activated only during such times as war or natural disasters.

In 1999, a study done by seven scientists was conducted to find out which part of the brain is activated during mental rotation.