General usage:
* The deactivation of the alarm system was necessary for the maintenance crew to access the building.
* The company announced the deactivation of its social media accounts due to low engagement.
* After the accident, the pilot initiated the deactivation of the aircraft's emergency systems.
More specific usage:
* The doctor recommended a deactivation of the patient's pacemaker due to complications.
* The engineers performed a controlled deactivation of the nuclear reactor.
* The military carried out a deactivation of the unexploded bomb.
Figurative usage:
* The news of his betrayal caused a complete deactivation of her emotions.
* The artist's creative spirit seemed to have undergone a deactivation after the death of his muse.
Remember that the meaning of "deactivation" depends on the context. It can refer to turning something off, disabling something, or even making something inactive.