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The occurrence of mechanical accidents in petroleum enterprises is closely related to the operation of frontline workers. Based on the behavior observation method, the paper takes a petroleum enterprise as objective to identify the unsafe behavior of the operation workers and its contributing factors. The influences of the different factor on the mechanical operation are investigated by using the analytic hierarchy process. The results show that there are eight kinds of unsafe behaviors of the mechanical operation in the petroleum enterprise. The factors that induce the unsafe behaviors include safety knowledge, safety consciousness, emotion, physiological conditions, safety attitude, manager behavior, management system, production task and human environment. Among them, safety attitude, safety consciousness, manager behavior and production task are the most important factors. Therefore, the safety production capacity of the frontline workers in petroleum enterprises should be improved through safety education training, manager lead demonstration, enterprise safety culture construction

Analysis of identification of unsafe behavior in mechanical operation of first line workers