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[[File:lighterstill.jpg]][[File:PreventChildAbuse.jpg|right|frame]]
==Origin==
''Prevene'': Middle French prevenir (French prévenir) to [[act]] first in a matter (1431–1435), to [[summon]] to [[court]] (1467), to [[anticipate]] in order to hinder (c1480), to forestall (someone) in a [[course]] of [[action]] (1512), (of [[divine]] [[grace]]) to go before (1551) and its etymon classical Latin praevenīre to arrive first or beforehand, to precede, to anticipate, forestall, prevent, to surpass, (of [[death]]) to take (a [[person]]) prematurely, in post-classical [[Latin]] also (of [[God]]) to go before with spiritual help (Vulgate), to [[prejudice]] (5th cent.), to [[intervene]] on behalf of (8th cent.), to occupy beforehand, preoccupy
*[http://en.wikipedia.org/wiki/16th_century 1582]
==Definitions==
*1archaic a : to be in readiness for (as an [[Event|occasion]])
:b : to meet or [[satisfy]] in advance
:c : to [[act]] ahead of
:d : to go or arrive before
*2: to deprive of [[power]] or [[hope]] of acting or succeeding
*3: to keep from happening or existing <steps to prevent [[war]]>
*4: to hold or keep back : hinder, stop —often used with from
==Description==
Hazard '''prevention''' refers to the prevention of [[risks]]. The first and most [[effective]] [[stage]] of hazard prevention and [http://en.wikipedia.org/wiki/Emergency_management emergency management] is the elimination of hazards. If this is too timely or impractical, comes the more costly [[stage]] in emergency management: [http://en.wikipedia.org/wiki/Disaster_mitigation disaster mitigation]
==Accident Chain==
Every [[accident]] as a result of a hazard is preventable by breaking the accident chain before the last link. Breaking the chain is known as [[intervention]], which is [[Reaction|reactive]], whereas reducing the [[potential]] for an accident chain at all is mitigation, which is proactive. An example of a reactive step is the [[creation]] of a [http://en.wikipedia.org/wiki/Collapse_zone collapse zone] at a structure fire. An example of a proactive step is wearing [http://en.wikipedia.org/wiki/Personal_protective_equipment personal protective equipment] at a fire call.
The [[accident]] chain:
*The [[environment]] such as [[weather]] or lighting
*[[Human]] [[factors]] such as [[training]] or [[attitude]]
*Equipment such as proper use and [[maintenance]]
*[[Event]] the unsafe junction of the previous three links
*[[Accident]] the actual [[injury]] or [[property]] damage
[[Category: General Reference]]