The locking clip 36 and has {HEAD ~ a pawl} 37 which engages a lower surface of {TAIL ~ the circuit board} 12 
The locking clip 36 and has { HEAD ~ a pawl } 37 which engages a lower surface of { TAIL ~ the circuit board } 12
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH