You must activate the service within 28 days of the date on the letter otherwise you'll have to start this process again.

The results of each test would then either assign a specific sense to the word or activate other rules within the set.

He activated a security procedure within the system that locked out all other access to the network.

Adds the ability to activate certain mechanisms within the tower.

It was as if a pair of magnetic poles had suddenly been activated within the room.

When the Chief arrives all protective screens must be activated within a second.

Each ship can be fully activated and crewed within five days.

A touch of his hand activated a viewscreen within the mines.

If you don't activate the service within that period, you'll have to request a new code and wait for it to arrive by post.

He, in fact, was a serial killer, made only more dangerous by the powers someone else entirely soon activated within him.