Everyone knows that accident usually occur with a number of different circumstanus or factors combined to create hazardous situations.these factors can be individually identified as accident causes.Some will be seen as minor or contributory factors and other will be identified as keys or major accident causes when we look closely at these factors, it becomes clear that they can be categorized into 2distinct groups.The first group can be classified as unsafe conditions and includes such thing as untidy work areas,faulty equipment, slippery floors and inadequate lighting.The second group of factors can be classified as unsafe acts that result from prople behavior, for examples,not following safe work procedure, the inappropriate use of equipment or the failure to wear required personal protective equipment.Of these two grops, statistic proved that unsafe acts are by far the most significant simply put unsafe act are recognized as the key causes of most accidents.So,it is naturally followed that if we can significantly reduce the number of unsafe acts that occur in the workplace,we will also significantly reduce the number of accidents. Traditionally,unsafe acts have been controlled mainly through the implementation of training programs and the establishment of safety procedures and practices.however,despite these efforts,unsafe acts continue to be a major factor and the majority of the workplace accidents.The reasons unsafe acts,so difficult to control