2. Human error analysis: This method is used to identify the parts and the procedures of a
process that have a higher than normal probability of human error. Control panel layout
is an excellent application for human error analysis because a control panel can be designed
in such a fashion that human error is inevitable.
3. Failure mode, effects, and criticality analysis (FMECA): This method tabulates a list of
equipment in the process along with all the possible failure modes for each item. The effect
of a particular failure is considered with respect to the process.