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The overhead bridge crane generates transverse horizontal forces as it travels along the crane runway. Transverse horizontal forces are caused by the braking of the crab and also by the crane's own travel, which is not straight due to the imperfections of the crane and the crane runway. This kind of forces can be called forces caused by skewing of crane. There are several interpretations for the crane skewing, from which various computational models are based. Individual interpretations, however, differ both in te...