Even so, if they are unanchored, they must self-deactivate within one hour after control over them has been lost; similarly all anchored mines must be equipped to deactivate if .
You have to deactivate the mines one by one.
Eventually, at some "predetermined time" which the Pentagon of course will not discuss, the mines will deactivate themselves automatically.
Lawmakers To Vote On Changes To NYC’s Muni Meter System Under the measure, the city's 13,000 Muni Meters would be required to deactivate when parking rules are not in effect or when receipt paper is not available.
June 12, 2013 - CBS New York
To Tweet or Not to Tweet? Stars Who Just Can't Decide About Twitter Liam Hemsworth joined Twitter yesterday despite not being so fond of the site back in October 2009, when he convinced his now-fiancée, Miley Cyrus , to deactivate her account. Both stars have active accounts as of Wednesday, and Liam's first official tweet read, "Glad to be on board. Thanks for following." While he's only following 13 people, including Miley, Liam has already racked up over 70 ...
June 6, 2013 - PopSugar
Thurston Moore in TwentyFourBit (blog) I think everybody should deactivate their Facebook accounts tonight,Moore said and Ranaldo joked, "None of us have ever used a computer in our lives, man."