{HEAD ~ The processing tool} having {TAIL ~ significant utilization history} may be the same processing tool as the processing tool with little or no processing history where a manufacturing event disrupts the operations thereof 
having
{ HEAD ~ The processing tool } having { TAIL ~ significant utilization history } may be the same processing tool as the processing tool with little or no processing history where a manufacturing event disrupts the operations thereof
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH