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Some fire alarm systems utilize emergency voice alarm communication systems (EVAC) [17] to provide prerecorded and manual voice messages. Voice alarm systems are typically used in high-rise buildings, arenas, and other large "defend-in-place" occupancies such as hospitals and detention facilities where total evacuation is difficult to achieve.
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The word alarm comes from the Old French a l'arme meaning "to the arms", or "to the weapons", telling armed men to pick up their weapons and get ready for action because an enemy may have suddenly appeared. [1] The word alarum is an archaic form of alarm. It was sometimes used as a call to arms in the stage directions of Elizabethan dramas. [2]
Approximately 1% of police alarm calls actually involve a crime. [21] Nuisance alarms occur when an unintended event evokes an alarm status by an otherwise properly working alarm system. A false alarm also occurs when there is an alarm system malfunction that results in an alarm state.
Châu Đốc is a city in An Giang Province, bordering Cambodia, in the Mekong Delta region of Vietnam.As of 2019, the city had a population of 101,765, and cover an area of 105.29 square kilometres (40.65 sq mi).
This is a timeline of Vietnamese history, comprising important legal and territorial changes and political events in Vietnam and its predecessor states. To read about the background to these events, see History of Vietnam. This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources. Prehistory ...
At the request of the Vietnam People's Navy the ship known as Project 11661 was completely redesigned to become Gepard 3.9. The redesigned ships include stealth technology and the most advanced weapons available from Russia today, including air defense systems, Palma Close-in weapon system AK-630, Kh-35 anti-ship missiles, and Kamov Ka-27 ...
Cold War Mandarin: Ngo Dinh Diem and the Origins of America's War in Vietnam, 1950–1963. Lanham, Maryland: Rowman & Littlefield. ISBN 0-7425-4447-8. Jones, Howard (2003). Death of a Generation: how the assassinations of Diem and JFK prolonged the Vietnam War. New York: Oxford University Press. ISBN 0-19-505286-2. Karnow, Stanley (1997).