{HEAD ~ The processor array} may include several processor clusters, such that {TAIL ~ the quiescing, removing and powering down steps} apply to all processors in one of the processing clusters 
{ HEAD ~ The processor array } may include several processor clusters , such that { TAIL ~ the quiescing , removing and powering down steps } apply to all processors in one of the processing clusters
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH