These pieces, once activated, have no ongoing energy requirements to remain in play.

The pack can be stored for a year, he said; once activated, the cell will last two months.

Once activated, the nanites could not be stopped, or removed.

Once activated, she knew, there was no turning back.

Once activated, most sessions are limited to five minutes.

Once activated, each skull has a specific effect on gameplay.

Once activated this gives the player between 3 - 15 days, twice per calender year.

Once activated, the computer runs these tasks until the player intervenes.

Once activated, Airwolf is set to destroy any aircraft in its range.

Once activated, the packs cannot be used again safely.