The cause of the problem: the substitute person in change is not enough and there is no point doing OJT before others.Causes of shingles: have no control over and does not take the system FMEA, FTA applied research khrao.
The cause of the problem: the replacement of the points is not enough. And no OJT before practice for the cause of the escape: uncontrolled and not embracing Analysis FMEA, FTA use.
the cause of the problem: changes in the replacement is not enough, and no do OJT former operational cause of escape: no control and not the system analysis. FMEA FTA, using