Specific considerations govern {TAIL ~ the designers selection} of the amount of {HEAD ~ delay} provided by the reference delay unit 205 
Specific considerations govern { TAIL ~ the designers selection } of the amount of { HEAD ~ delay } provided by the reference delay unit 205
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH