{HEAD ~ The non volatile memory} may comprise a disk drive or read only memory device which stores a program to implement the above control and store appropriate values for comparison with {TAIL ~ the process variables} as is well known in the art 
{ HEAD ~ The non volatile memory } may comprise a disk drive or read only memory device which stores a program to implement the above control and store appropriate values for comparison with { TAIL ~ the process variables } as is well known in the art
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH