The reasons unsafe actr are, so difficult to control, lies on the fact that, unlike unsafe conditions.Unsafe acts involve the human factor that is the occurrence as the result of people behavior and attitudes,by adopting a behavioral approach safety,which must be used in conjunction with the traditional controlled measures.The human factor and, therefore,unsafe acts can be effectively addressed.This approach is known as the behavioral safety.Behavioral safety aims to reduce the incidents of unsafe act by modifying the people behavior and improve the attitude toward safety because behavioral safety is essentilly about to reduce occurrence of unsafe acts,it is important to clearly define what an unsafe act is? An unsafe act can be defined as an intentional or unintentional violation of an established safe work practice,procedure,or method.The most common causes of unsafe act can be categorized under the heading of acts of indifference in this situation,safe work method are known,but aren't followed. For examples,personal protective equipment is not worn or correct manual handling techniques are not used.Other causes of unsafe acts can be categorized under the heading of a lack of knowledge.The main sources of which are inexperience and poor or insufficient job training.This takes into account situations in which people perfrom jobs that are not trained,certified or authorized to carry out,and example of these would be unanthorized entry into confined space inaddition to these causes,there are a number of other factors that can contribute to occurrence of unsafe acts.