In use, the rod and slideably mounted members forming the retainer are received in a recess defined by first and second sidewalls of {HEAD ~ the chassis} used to hold {TAIL ~ the circuit board} 
used to hold
In use , the rod and slideably mounted members forming the retainer are received in a recess defined by first and second sidewalls of { HEAD ~ the chassis } used to hold { TAIL ~ the circuit board }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL