The screw gun is then pressed downwardly, to drive a screw into {TAIL ~ the center} of the plate to secure {HEAD ~ the plate} at the desired location 
The screw gun is then pressed downwardly , to drive a screw into { TAIL ~ the center } of the plate to secure { HEAD ~ the plate } at the desired location
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH