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Management of the Prevention of Risks in the Enterprise. The management has changed through history with the changes in the ways of understanding work and has influenced such important factors as: * The economic cost of damage and injury accidents.
* The industrial action the union movement. Remember that the management of risk prevention should be characterized as scientific, interdisciplinary, comprehensive, integrated and participatory. The obligation of any manager is to manage resources and material and human resources for economic and social benefits, so they generate satisfactory working conditions.

Methods to Assess Occupational Risks These methods allow to assess and rank their degree of danger, to facilitate its correction. The methods are the method and the method Lest Renault, giving guidelines for the analysis of working conditions and to categorize the factors that may affect the health of workers. By contrast William T. Method Fine assess the severity of the risks through its degree of danger.

William T. Method FineWe define the degree of danger as the product of three factors.
GP = C * E * P are assigned numerical values to each factor, according to Table 2.1.
* Consequence (C): These are the most likely outcome of an accident, according to the risk which is set: 1 small losses, 50 in the case of one or more deaths.
* Exhibit (E): It considers the frequency with which the situation presents a risk. 0.5 Securities remotely possible situations, and 10 if it occurs constantly.
* Probability (P): This factor considers the likelihood that the accident sequence is completed once begun. Value 0.5 if it never happened but it may happen, and 10 if the result is expected and likely more.
The method incorporates Fine, once conducted the evaluation of consequences, exposure and probability, the degree of justification (J) of the corrective action proposal as: J = GP / (FC * GC)

Factor Cost (FC): The quantification of 0.5 to 10 the cost estimate for corrective action.
Degree of correction (GC): The extent to which risk is reduced by the action of the proposed measure. Ranging from 1 if it eliminates the risk to 100%, and 6 if it eliminates the risk below 25%.

To determine whether corrective actions are technically and economically justified, the value of J must be over 10.