Caught in, under or between a moving and a stationary object
EE was holding onto an area where a ""Nut"" was attached with a wrench while another employee was using another tool a ""Power Wrench"" to loosen the nut. The vibration from the ""Power Wrench"" caused ee to loose grip, the wrench ee was holding onto ""slipped"" and the result was a ""Fractured finger"".